I have a problem with the EMS for dynamic blinds for windows in three facades of the building can any one help me with it??` Here what is errors file says:
* Severe * Problem found in EMS EnergyPlus Runtime Language. * ~~~ * Erl program name: SET_SHADE_CONTROL_STATE * ~~~ * Erl program line number: 1 * ~~~ * Erl program line text: SET INCIDENTANGLERAD = @ARCCOS SOLAR_BEAM_INCIDENT_COS * ~~~ * Error message: * Error: EvaluateExpression: Variable = 'SOLAR_BEAM_INCIDENT_COS' used in expression has not been initialized! *
