ASYNCIONOV4, rrrr database has ssss; cannot cccc
MUPIP Error: This indicates that region rrrr has current state ssss (ASYNCIO enabled or V4 format) and therefore cannot change to assume change cccc (downgrade to V4 or enable ASYNCIO).
Action: Address the blocking state - ASYNCIO by disabling it, or V4 format by completing an upgrade before repeating the MUPIP command that produced this error.