2988279 - Edit report parameter crashes Crystal Reports 2020 application

•  Edit report parameter crashes Crystal Reports 2020 application
• An attempt to create a new report with the same parameters cause the following error:

This prompt group already has parameters bound to each level. Please select a different data source if you want to create a new prompt group.

Also if you want to edit this prompt group, please select one of the bound parameters from the Field Explorer.

• SAP Crystal Reports 2020

1. Open existing report with dynamic LOV in Crystal Reports 2020
2. Try to modify dynamic parameter
3. The application closes

• Corrupted LOV Object in repository.
• Try to edit the LOV object in Business View Manager and observe the fields are missing in prompt window and in Description of the LOV

1.  In Business View Manager Delete the associated Prompt Groups
2. Edit LOV and add the fields as required
3. In Crystal Reports Designer delete the old parameter
4. Re-add the parameter 

CR2020, shuts down, closes unexpectedly, , KBA , BI-RA-CR , Crystal Reports designer or Business View Manager , Problem