I Have check all my air loops and cannot find the node 71 or any node that has a Mixed Air Temp 2. Is there a way you can single it out or maybe purge the air loops. I have tried purging the thermal zone tab but it did not work.
Program Version,EnergyPlus, Version 8.7.0-78a111df4a, YMD=2017.06.13 09:09,IDD_Version 8.7.0 *** IDF Context for following error/warning message: *** Note -- lines truncated at 300 characters, if necessary... *** 26048 SetpointManager:MixedAir, *** indicated Name=Mixed Air Temp 2 *** Only last 3 lines before error line shown..... *** 26049 Mixed Air Temp 2, !- Name *** 26050 Temperature, !- Control Variable *** 26051 , !- Reference Setpoint Node Name * Severe * IP: IDF line~26051 Error detected in Object=SETPOINTMANAGER:MIXEDAIR, name=MIXED AIR TEMP 2 * ~~~ * Field [Reference Setpoint Node Name] is required but was blank *** IDF Context for following error/warning message: *** Note -- lines truncated at 300 characters, if necessary... *** 26048 SetpointManager:MixedAir, *** indicated Name=Mixed Air Temp 2 *** Only last 5 lines before error line shown..... *** 26049 Mixed Air Temp 2, !- Name *** 26050 Temperature, !- Control Variable *** 26051 , !- Reference Setpoint Node Name *** 26052 Node 71, !- Fan Inlet Node Name *** 26053 , !- Fan Outlet Node Name * Severe * IP: IDF line~26053 Error detected in Object=SETPOINTMANAGER:MIXEDAIR, name=MIXED AIR TEMP 2 * ~~~ * Field [Fan Outlet Node Name] is required but was blank * Severe * IP: Blank "required" fields found in input * Severe * IP: Out of "range" values and/or blank required fields found in input * Fatal * IP: Errors occurred on processing IDF file. Preceding condition(s) cause termination. ...Summary of Errors that led to program termination: ..... Reference severe error count=4 ..... Last severe error=IP: Out of "range" values and/or blank required fields found in input *** Warning: Node connection errors not checked - most system input has not been read (see previous warning). *** Fatal error -- final processing. Program exited before simulations began. See previous error messages. *** EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors. *** EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors. *** EnergyPlus Terminated--Fatal Error Detected. 0 Warning; 4 Severe Errors; Elapsed Time=00hr 00min 0.47sec