Administration guide > Troubleshoot > Messages > CWOBJ: Messages for the ObjectGrid and related components
CWOBJ4800E
SHARD_ALREADY_RESERVED_ERROR_CWOBJ4800=CWOBJ4800E: Could not reserve shard {0} on container {1} because this shard is already reserved by container {2}.
Explanation
Only one container can reserve a shard at a time.
User response
Release the shard from its owning container before attempting to reserve it with another container.
Parent topic:
CWOBJ: WebSphere eXtreme Scale messages for the ObjectGrid and related components