python3 -m fmpy simulate --output-file Buildings_12_Buildings.Electrical.DC.Loads.Examples.VariableLoad_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Electrical_DC_Loads_Examples_VariableLoad.fmu LOG_NLS | error | residualFunc80: Iteration variable `òL$f(T$I‹W(H‹CH‹KH‹` is inf or nan. LOG_ASSERT | debug | residualFunc80 failed at time=0. | | | | For more information please use -lv LOG_NLS. LOG_STDOUT | warning | While solving non-linear system an assertion failed at time 0. | | | | | The non-linear solver tries to solve the problem that could take some time. | | | | | It could help to provide better start-values for the iteration variables. | | | | | For more information simulate with -lv LOG_NLS_V