In this post, you’ll learn more about the Oracle ErrorDRG-50956: Theme index is required for THEMES transform queries with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
DRG-50956: Theme index is required for THEMES transform queries
Reason for the Error DRG-50956: Theme index is required for THEMES transform queries
Cause: There is no theme index, but the operator TRANSFORM is used with THEMES as its parameter. You must create a theme index before using THEMES in TRASNFORM operator.
How to fix the Error DRG-50956: Theme index is required for THEMES transform queries ?
You can fix this error in Oracle by following the below steps
Action: create theme index