For example, a 2nd column (CCC_UID_PersonForeignKeyColumn) with foreign key (FK) on Person.UID_Person was created for table ADSAccount using a schema extension. In the generic trigger generation for QBMSplittedLookup, CCC_UID_PersonForeignKeyColumn is now selected instead of ADSAccount.UID_Person and thus incorrect or no values are selected.
This is a product defect (32596).
This will be fixed in a future release of the product. If you require this immediately corrected, please contact Support for a hotfix referencing the defect ID 32596.