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An example of the error I get is as follows:

2015-May-28 08:01:54 - Error: Undefined data: right side of '*' evaluating rule: Set DEFAULT ThrmlZn:CondFlrAreaWithMult (55:'ThermalZone-General.rule' line 744)

I was able to find ThermalZone-General.rule and figured out that the right side of "*" is the variable u. See below for example:

DEFAULT 
  u:CondFlrArea*u:Mult

Originally, I included HVACZnCnt values of either 2 or 3 for 17 of the thermal zones and the corresponding ZnSysCnt for the associated zone systems. So once I got this error, I set the HVACZnCnt and ZnSysCnt values to default and increased the system parameters to the appropriate values to represent all of the zone systems within the thermal zone. However, I still get the same error.

Any ideas?

An example of the error I get is as follows:

2015-May-28 08:01:54 - Error: Undefined data: right side of '*' evaluating rule: Set DEFAULT ThrmlZn:CondFlrAreaWithMult (55:'ThermalZone-General.rule' line 744)

I was able to find ThermalZone-General.rule and figured out that the right side of "*" is the variable u. See below for example:

DEFAULT 
  u:CondFlrArea*u:Mult

Originally, I included HVACZnCnt values of either 2 or 3 for 17 of the thermal zones and the corresponding ZnSysCnt for the associated zone systems. So once I got this error, I set the HVACZnCnt and ZnSysCnt values to default and increased the system parameters to the appropriate values to represent all of the zone systems within the thermal zone. However, I still get the same error.

Any ideas?UPDATE: After trying to figure this out it seems that there might be an issue associated with more than one space being assigned to a thermal zone. Does anyone know if each thermal zone is only allowed to have one space associated with it?