TDP1428 TDPGCELL: PREVIOUS IN-USE CELL-ID IS INVALID
The TDPGCELL routine was attempting to assign a storage cell but found that the cell-id of the previous cell obtained was invalid.
This condition is indicated by an abnormal termination rather than a message. It indicates an internal error in TDP.
Collect diagnostic information (including the memory dump, if any) and contact Customer Support personnel.