How To Fix WY061 - Plant & is already being processed; plant assignment cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 061

• Message text: Plant & is already being processed; plant assignment cannot be changed

What causes this issue?

You have attempted to block a plant that is already being used by
another user. The block cannot be set and you cannot make the
required assignment.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please make the required plant assignment at a later date.

Error message extract from SAP system. Copyright SAP SE.