Account determination maintained, but transaction for clearing item

What causes this issue?

Checks all entries in posting area 1091 <LS>Reset clearing/reversal:
Clearing items</> to determine whether an additional account
determination (posting area R001 or T001) is maintained for the
transactions used there.

System Response

If inconsistencies are found, check that the transactions are used
correctly.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.