Mvsckey Not Found Exclusive Instant

Another user might be editing the dataset in ISPF.

If a CICS or IMS region is holding the file, you must manually close the file within that region (e.g., using CEMT SET FILE(NAME) CLOSED ) before your batch job can proceed. Preventative Best Practices mvsckey not found exclusive

I can provide the specific or JCL parameters you need once I know your setup. Another user might be editing the dataset in ISPF