Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/../OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr Buildings_6.0.0_Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.MultipoleThermalResistances_TwoUTube.conf.json Using package ModelicaServices with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo) Using package Complex with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo) Using package Modelica with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo) Using package Buildings with version 6.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.MultipoleThermalResistances_TwoUTube,fileNamePrefix="Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.102/4.102, allocations: 433.2 MB / 440.7 MB, free: 4.605 MB / 346.7 MB Notification: Performance of FrontEnd - loaded program: time 2.63e-05/2.629e-05, allocations: 4.406 kB / 0.5325 GB, free: 12.66 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2205/0.2205, allocations: 98.75 MB / 0.629 GB, free: 9.105 MB / 0.5105 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.2475/0.4681, allocations: 136.1 MB / 0.7619 GB, free: 0.832 MB / 0.6355 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000486/0.4687, allocations: 115.9 kB / 0.762 GB, free: 0.7188 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 0.03991/0.5086, allocations: 8.266 MB / 0.77 GB, free: 8.43 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.124e-06/0.5086, allocations: 4 kB / 0.77 GB, free: 8.426 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 1.789e-05/0.5087, allocations: 4 kB / 0.77 GB, free: 8.422 MB / 0.6511 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 32 * Number of variables: 32 Notification: Performance of Generate backend data structure: time 0.0009865/0.5097, allocations: 0.5637 MB / 0.7706 GB, free: 7.816 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 5.222e-05/0.5097, allocations: 8.031 kB / 0.7706 GB, free: 7.809 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.178e-05/0.5098, allocations: 23.67 kB / 0.7706 GB, free: 7.785 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002896/0.5101, allocations: 221.6 kB / 0.7708 GB, free: 7.531 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.108e-05/0.5101, allocations: 0 / 0.7708 GB, free: 7.531 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.494e-05/0.5102, allocations: 0 / 0.7708 GB, free: 7.531 MB / 0.6511 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.0001569/0.5103, allocations: 71.97 kB / 0.7709 GB, free: 7.461 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001925/0.5105, allocations: 117.6 kB / 0.771 GB, free: 7.34 MB / 0.6511 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.676e-06/0.5105, allocations: 0 / 0.771 GB, free: 7.34 MB / 0.6511 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.302e-05/0.5106, allocations: 3.984 kB / 0.771 GB, free: 7.336 MB / 0.6511 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.306e-06/0.5106, allocations: 3.953 kB / 0.771 GB, free: 7.332 MB / 0.6511 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000325/0.5109, allocations: 238.5 kB / 0.7713 GB, free: 7.062 MB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001839/0.5111, allocations: 126.7 kB / 0.7714 GB, free: 6.93 MB / 0.6511 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001532/0.5113, allocations: 105.1 kB / 0.7715 GB, free: 6.824 MB / 0.6511 GB Notification: Performance of preOpt evalFunc (simulation): time 3.017e-05/0.5113, allocations: 4 kB / 0.7715 GB, free: 6.82 MB / 0.6511 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.644e-05/0.5114, allocations: 38.55 kB / 0.7715 GB, free: 6.773 MB / 0.6511 GB Notification: Performance of pre-optimization done (n=32): time 1.784e-06/0.5114, allocations: 0 / 0.7715 GB, free: 6.773 MB / 0.6511 GB Notification: Performance of matching and sorting (n=32): time 0.0004657/0.5119, allocations: 217.3 kB / 0.7717 GB, free: 6.555 MB / 0.6511 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.506e-05/0.5119, allocations: 55.34 kB / 0.7718 GB, free: 6.488 MB / 0.6511 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003015/0.5122, allocations: 220.5 kB / 0.772 GB, free: 6.266 MB / 0.6511 GB Notification: Performance of collectPreVariables (initialization): time 1.59e-05/0.5123, allocations: 33.64 kB / 0.772 GB, free: 6.227 MB / 0.6511 GB Notification: Performance of collectInitialEqns (initialization): time 9.585e-05/0.5124, allocations: 122.5 kB / 0.7721 GB, free: 6.105 MB / 0.6511 GB Notification: Performance of collectInitialBindings (initialization): time 0.000117/0.5125, allocations: 102.5 kB / 0.7722 GB, free: 6.004 MB / 0.6511 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.961e-06/0.5125, allocations: 4.031 kB / 0.7722 GB, free: 6 MB / 0.6511 GB Notification: Performance of setup shared object (initialization): time 0.0001447/0.5127, allocations: 346.8 kB / 0.7726 GB, free: 5.652 MB / 0.6511 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001206/0.5128, allocations: 75.91 kB / 0.7726 GB, free: 5.578 MB / 0.6511 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001349/0.5129, allocations: 83.94 kB / 0.7727 GB, free: 5.496 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002104/0.5132, allocations: 100.2 kB / 0.7728 GB, free: 5.398 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.196e-06/0.5132, allocations: 4 kB / 0.7728 GB, free: 5.395 MB / 0.6511 GB Notification: Performance of matching and sorting (n=32) (initialization): time 0.0004035/0.5136, allocations: 225.2 kB / 0.773 GB, free: 5.168 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 2.014e-05/0.5136, allocations: 4 kB / 0.773 GB, free: 5.164 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.787e-05/0.5137, allocations: 4 kB / 0.773 GB, free: 5.16 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.773e-05/0.5137, allocations: 4.062 kB / 0.773 GB, free: 5.156 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 1.623e-06/0.5137, allocations: 0 / 0.773 GB, free: 5.156 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.489e-06/0.5137, allocations: 0 / 0.773 GB, free: 5.156 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 9.542e-05/0.5138, allocations: 7.844 kB / 0.7731 GB, free: 5.148 MB / 0.6511 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.941e-05/0.5139, allocations: 7.984 kB / 0.7731 GB, free: 5.141 MB / 0.6511 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (1): * Single equations (assignments): 0 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 8.535e-05/0.514, allocations: 104.9 kB / 0.7732 GB, free: 5.031 MB / 0.6511 GB Notification: Performance of postOpt createAliasVarsForOutputStates (simulation): time 0.0003746/0.5143, allocations: 233.2 kB / 0.7734 GB, free: 4.797 MB / 0.6511 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.524e-05/0.5144, allocations: 19.72 kB / 0.7734 GB, free: 4.777 MB / 0.6511 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006515/0.5151, allocations: 0.5772 MB / 0.774 GB, free: 4.094 MB / 0.6511 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.34e-05/0.5151, allocations: 180.2 kB / 0.7741 GB, free: 3.91 MB / 0.6511 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.982e-05/0.5152, allocations: 184.2 kB / 0.7743 GB, free: 3.723 MB / 0.6511 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.021e-05/0.5153, allocations: 176.3 kB / 0.7745 GB, free: 3.543 MB / 0.6511 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005283/0.5158, allocations: 0.5286 MB / 0.775 GB, free: 2.969 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.296e-05/0.5159, allocations: 108.9 kB / 0.7751 GB, free: 2.855 MB / 0.6511 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.039e-05/0.5159, allocations: 105 kB / 0.7752 GB, free: 2.746 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.45e-05/0.516, allocations: 176.3 kB / 0.7754 GB, free: 2.566 MB / 0.6511 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.562e-05/0.5161, allocations: 180.2 kB / 0.7755 GB, free: 2.383 MB / 0.6511 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.235e-05/0.5162, allocations: 180.3 kB / 0.7757 GB, free: 2.199 MB / 0.6511 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.691e-05/0.5162, allocations: 180.3 kB / 0.7759 GB, free: 2.016 MB / 0.6511 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000252/0.5165, allocations: 335.3 kB / 0.7762 GB, free: 1.664 MB / 0.6511 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006774/0.5172, allocations: 357.6 kB / 0.7765 GB, free: 1.289 MB / 0.6511 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001965/0.5174, allocations: 180.2 kB / 0.7767 GB, free: 1.105 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002633/0.5177, allocations: 105 kB / 0.7768 GB, free: 0.9961 MB / 0.6511 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.294e-05/0.5178, allocations: 188.2 kB / 0.777 GB, free: 0.8047 MB / 0.6511 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.086e-05/0.5178, allocations: 108.9 kB / 0.7771 GB, free: 0.6914 MB / 0.6511 GB Notification: Performance of sorting global known variables: time 0.5357/1.054, allocations: 1.106 MB / 0.7782 GB, free: 141.1 MB / 0.6511 GB Notification: Performance of sort global known variables: time 7.22e-07/1.054, allocations: 2.219 kB / 0.7782 GB, free: 141.1 MB / 0.6511 GB Notification: Performance of remove unused functions: time 0.001629/1.055, allocations: 293.8 kB / 0.7785 GB, free: 141.1 MB / 0.6511 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (0): * Single equations (assignments): 0 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002148/1.057, allocations: 1.096 MB / 0.7795 GB, free: 140.3 MB / 0.6511 GB Notification: Performance of simCode: created initialization part: time 0.0004426/1.058, allocations: 182.6 kB / 0.7797 GB, free: 140.3 MB / 0.6511 GB Notification: Performance of simCode: created event and clocks part: time 4.509e-06/1.058, allocations: 3.406 kB / 0.7797 GB, free: 140.3 MB / 0.6511 GB Notification: Performance of simCode: created simulation system equations: time 5.41e-06/1.058, allocations: 0 / 0.7797 GB, free: 140.3 MB / 0.6511 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004973/1.058, allocations: 0.5397 MB / 0.7802 GB, free: 139.8 MB / 0.6511 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001347/1.06, allocations: 0.5219 MB / 0.7807 GB, free: 139.5 MB / 0.6511 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003024/1.06, allocations: 0.7628 MB / 0.7815 GB, free: 138.8 MB / 0.6511 GB Notification: Performance of simCode: alias equations: time 4.289e-05/1.06, allocations: 4.922 kB / 0.7815 GB, free: 138.8 MB / 0.6511 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 8.285e-05/1.06, allocations: 60.86 kB / 0.7816 GB, free: 138.8 MB / 0.6511 GB Notification: Performance of SimCode: time 1.302e-06/1.06, allocations: 0 / 0.7816 GB, free: 138.8 MB / 0.6511 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05728/1.118, allocations: 7.007 MB / 0.7884 GB, free: 138.4 MB / 0.6511 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002759/1.118, allocations: 235.9 kB / 0.7886 GB, free: 138.1 MB / 0.6511 GB Error: Error building simulator. Build log: clang -Os -fPIC -mfpmath=sse -DOMC_MINIMAL_RUNTIME=1 -DCMINPACK_NO_DLL=1 -Iinclude/ -Iinclude/fmi2 -I. -DOMC_MODEL_PREFIX=Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube -DOMC_NUM_MIXED_SYSTEMS=0 -DOMC_NUM_LINEAR_SYSTEMS=0 -DOMC_NUM_NONLINEAR_SYSTEMS=0 -DOMC_NDELAY_EXPRESSIONS=0 -DOMC_NVAR_STRING=0 -c -o Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_FMU.o Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_FMU.c In file included from Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_FMU.c:9: In file included from include/openmodelica.h:69: In file included from include/openmodelica_types.h:110: include/gc/omc_gc.h:217:28: warning: expression result unused [-Wunused-value] GC_register_displacement(0); ^ include/gc/omc_gc.h:221:34: warning: expression result unused [-Wunused-value] GC_set_force_unmap_on_gcollect(1); ^ In file included from Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_FMU.c:54: include/fmi2/fmu2_model_interface.c:73:11: warning: enumeration value 'modelSlaveInitialized' not handled in switch [-Wswitch] switch (comp->state) ^ include/fmi2/fmu2_model_interface.c:162:16: warning: passing 'char **' to parameter of type 'const char **' discards qualifiers in nested pointer types [-Wincompatible-pointer-types-discards-qualifiers] GC_vasprintf(&str, msg, args); ^~~~ include/util/modelica_string.h:71:31: note: passing argument to parameter 'strp' here int GC_vasprintf(const char **strp, const char *fmt, va_list ap); ^ 4 warnings generated. clang -Os -fPIC -mfpmath=sse -DOMC_MINIMAL_RUNTIME=1 -DCMINPACK_NO_DLL=1 -Iinclude/ -Iinclude/fmi2 -I. -DOMC_MODEL_PREFIX=Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube -DOMC_NUM_MIXED_SYSTEMS=0 -DOMC_NUM_LINEAR_SYSTEMS=0 -DOMC_NUM_NONLINEAR_SYSTEMS=0 -DOMC_NDELAY_EXPRESSIONS=0 -DOMC_NVAR_STRING=0 -c -o Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube.o Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube.c In file included from Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube.c:7: In file included from ./Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_model.h:5: In file included from include/openmodelica.h:69: In file included from include/openmodelica_types.h:110: include/gc/omc_gc.h:217:28: warning: expression result unused [-Wunused-value] GC_register_displacement(0); ^ include/gc/omc_gc.h:221:34: warning: expression result unused [-Wunused-value] GC_set_force_unmap_on_gcollect(1); ^ 2 warnings generated. clang -Os -fPIC -mfpmath=sse -DOMC_MINIMAL_RUNTIME=1 -DCMINPACK_NO_DLL=1 -Iinclude/ -Iinclude/fmi2 -I. -DOMC_MODEL_PREFIX=Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube -DOMC_NUM_MIXED_SYSTEMS=0 -DOMC_NUM_LINEAR_SYSTEMS=0 -DOMC_NUM_NONLINEAR_SYSTEMS=0 -DOMC_NDELAY_EXPRESSIONS=0 -DOMC_NVAR_STRING=0 -c -o Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.o Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.c In file included from Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.c:1: In file included from ./Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.h:3: In file included from include/meta/meta_modelica.h:49: include/gc/omc_gc.h:217:28: warning: expression result unused [-Wunused-value] GC_register_displacement(0); ^ include/gc/omc_gc.h:221:34: warning: expression result unused [-Wunused-value] GC_set_force_unmap_on_gcollect(1); ^ Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.c:310:59: error: cannot take the address of an rvalue of type 'real_array_t' (aka 'struct base_array_s') copy_real_array_data(add_alloc_scalar_real_array(_TBor, &mul_alloc_real_matrix_product_smart(_R0, _QPip_flow)), &_TFlu); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. : recipe for target 'Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.o' failed make: *** [Buildings_6_0_0_Buildings_Fluid_Geothermal_Borefields_BaseClasses_Boreholes_BaseClasses_Functions_Validation_MultipoleThermalResistances_TwoUTube_functions.o] Error 1