& has blocked allocation for ledger & and company code/business area &

What causes this issue?

You can only start allocation once for a ledger and one company code,
or a company at a certain time with an update. User &V1& has already
started the update.

System Response

You are unable to start allocation due to it being locked.
The GLREFINT table is locked.

How to fix this error?

Inform user &V1&. You can use SM12 to obtain more information on the
allocation lock.

Error message extract from SAP system. Copyright SAP SE.