Environment - simulationEnvironment: startTime=0 stopTime=10 tolerance=0.001 numberOfIntervals=2500 stepSize=0.004 Regular simulation: ./OpenIPSL_dev_OpenIPSL.Examples.TwoAreas.Two_Areas_PSSE_AVR -abortSlowSimulation -alarm=480 -lv LOG_STATS LOG_STDOUT | info | Using sparse solver kinsol for nonlinear system 0 (533), | | | | because density of 0.06 remains under threshold of 0.10. LOG_STDOUT | info | Using sparse solver kinsol for nonlinear system 1 (1021), | | | | because density of 0.10 remains under threshold of 0.10. LOG_STDOUT | info | The maximum density for using sparse solvers can be specified | | | | using the runtime flag '<-nlssMaxDensity=value>'. LOG_STDOUT | error | KINSOL: Trying to switch to numeric Jacobian for sparse solver KLU, but no sparsity pattern is available. LOG_ASSERT | debug | Solving non-linear system 533 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_ASSERT | info | simulation terminated by an assertion at initialization