The Perform ABC Assignments and Synchronize Cycle Counts processes are failing with the error

The Perform ABC Assignments and Synchronize Cycle Counts processes are failing with the error: “There are null item sequence numbers in inv_abc_assgn_group_classes.” We validated the referenced data and did not find any null item sequence numbers, which suggests the message may be misleading or not aligned to the actual root cause.

attaching log files for reference.