In OpenPlant PID, user has did some configuration in Plant Area associated property. In P&ID Document dialog there are some Plant Areas were added but when he places a component the Plant Area Property is grayed out & there is No pick list for other selection of Areas. In below wiki it is explained that how to resolve this situation by Bentley Class Editor through Schema.
Launch Bentley Class Editor.
Open OpenPlant_Supplemental_Tagging Schema.Browse to Location: C:\ProgramData\Bentley\OpenPlantPID (SS6)\WorkSpace\Projects\OPPID_Metric\Dataset\schemas
Switch to Properties tab & PLANT_AREA.
Follow below highlighted steps.
Similarly, Remove Calculated EC Property for components like Equipment and others.
Save all Changes & Verify Result in OpenPlant PID.
Place a Pipeline:Place Equipment (Pump):
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