FABP0510E NON-ZERO PTF AT END OF CHAIN
Explanation
The database is damaged. A segment that is not the target of a physical twin backward pointer has a nonzero physical twin forward pointer.
System action
Processing continues.
User response
Repair the database, and rerun the HD Pointer Checker job. Only the last twin in the chain is not the target of a physical twin backward pointer. Such a segment must have a zero physical twin forward pointer.