Environment - simulationEnvironment: startTime=0 stopTime=3600 tolerance=1e-06 numberOfIntervals=2500 stepSize=1.44 Regular simulation: ./Buildings_maint.7.0.x_Buildings.Experimental.DistrictHeatingCooling.Plants.Validation.LakeWaterHeatExchanger_T_Cooling -abortSlowSimulation -alarm=480 -lv LOG_STATS assert | debug | division by zero at time 0, (a=1) / (b=0), where divisor b expression is: hex.valCoo.res1.kVal ^ 2.0 assert | error | Failed to solve the initialization problem with global homotopy with equidistant step size. assert | debug | Unable to solve initialization problem. assert | info | simulation terminated by an assertion at initialization