Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
The error message is pretty transparent: you have some Coil:Heating:Water in your model that aren't connected to any air loops (orphaned) and thus EnergyPlus is issuing a fatal error. One is called "COIL HEATING WATER 1".
Remove them. If you can't find them in the OS App, you can use scripting.
See How do you fix orphaned objects in OpenStudio and especially the BCL measure that you can download and run on your model.
