Error Loading I-model: Unable to Validate Expression Properties

Problem Description

Below error message appears when loading I-model in OpenPlant Isometrics Manager.

Reason

Reason for this error is that user has added PLANT_AREA property in pipeline (PIPING_NETWORK_SYSTEM) tag format but PLANT_AREA property is missing from the class.

Steps to Resolve

1. In Class Editor, Open "OpenPlant.01.07 schema". See Image below. 
   
   
   Note - Default path is: (C:\ProgramData\Bentley\OpenPlantModeler V8i\WorkSpace\OPModeler\schemas)
   
   
2. Navigate to  PIPING_NETWORK_SYSTEM class.See Image below.
   
   
   
   
3. Switch to Properties tab and add new property.
   
   
   
   
4. Name the property as PLANT_AREA as shown below.
   
   
   
   
5. Save the changes in schema and launch OpenPlant Modeler.
   
   
6. Re-publish the I-model and verify the result.

Still a Problem

If there is still some problem and you cannot connect to OpenPlant Isometrics Manager after trying the above suggestion, then please create a Service Request and contact Bentley Product Advantage group along with the list of all relevant details to get in depth analysis and for possible solution or workarounds. 

See Also

http://communities.bentley.com/products/plant/design___engineering/w/plant_design_and_engineering__wiki/22872.error-could-not-start-imodel-engine-process-in-60-seconds

http://communities.bentley.com/products/plant/design___engineering/w/plant_design_and_engineering__wiki/27557.error-copying-document-to-the-client-while-loading-i-model

Comments or Corrections?

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