Regular simulation: ./AixLib_master_AixLib.Fluid.Geothermal.Borefields.BaseClasses.HeatTransfer.LoadAggregation.Validation.TemperatureResponseMatrix -abortSlowSimulation -alarm=480 -lv LOG_STATS stdout | info | ... loading "TStep" from "tmp/temperatureResponseMatrix/TemperatureResponseMatrix_validationTStep.mat" assert | error | Solving a linear system of equations with function | | | | "Matrices.solve" is not possible, because the system has either | | | | no or infinitely many solutions (A is singular). assert | info | simulation terminated by an assertion at initialization