Environment - simulationEnvironment: startTime=0 stopTime=604800 tolerance=1e-06 numberOfIntervals=2500 stepSize=241.92 Regular simulation: ./Buildings_latest_Buildings.Air.Systems.SingleZone.VAV.Examples.OptimalStart.ConventionalWinter -abortSlowSimulation -alarm=480 -emit_protected -lv LOG_STATS assert | debug | division by zero at time 0, (a=2.918588003374964e-06) / (b=0), where divisor b expression is: max(-zonAHUCon.hvac.out.ports[3].m_flow, 1e-07) - zonAHUCon.sinZonFlo.ports[2].m_flow 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