Cost Accounting Predecessor Error

Anyone experience predecessor error in the cost accounting generation process. I am receiving a records locked by another process. Here is my error below. How did you correct the error?

Cost Accounting Creation began 2021-04-14-17.14.30.000000 on Process Instance 4603358 and Run Control ID INV_COST_OPSSD_STR. (15560,122)

Request ID INV_COST to process the following BU/Book: OPSSD/AVERAGE. (15560,129)

Transaction Costing began 2021-04-14-17.14.30.000000. (15560,1)

Starting Request ID INV_COST in Regular Mode. (15560,128)

Transaction Costing ended 2021-04-14-17.15.19.000000. (15560,2)

Commitment Control Budget Processing has begun. (18021,56)

Warning: Request 0 attempted to process documents that are locked by another request. (18021,96)

Request   Statistics. Documents Processed: 196,  Errors: 111,  Warnings: 0 (18021,59)

Commitment Control Budget Processing Complete. (18021,52)

Cost Accounting Creation ended 2021-04-14-17.16.10.000000 on Process Instance 4603358 and Run Control ID INV_COST_OPSSD_STR. (15560,123)
Application Engine program CM_CSTACCTG ended normally

PSAESRV completed service request at 17.16.11