SUMMARY:
This error occurs in Strategy Developer when browsing elements on an attribute in a report filter. One possible cause for this issue is a corrupt object cache which can be resolved by purging object caches at the project level.
SYMPTOM:
In Strategy, the following error message can display when browsing elements on an attribute in a report filter:

Error(s) occurred while loading report: DSSSQLEngine: Schema loading error: Template (). –Template Unit- Template Attribute- Template Attribute- Template Attribute- XX base form not found. <form number 1 locale 0> Please check the multi-lingual setting. Error in Process method of Component: SQLEngineServer, Project XX, Job XX, Error Code= -2147212797.
