No single documents can be posted for the confirmation

What causes this issue?

No document number can be determined for the reporting point single
documents (table CEZP).

System Response

Posting is performed without reporting point single documents.

How to fix this error?

Notify your system administrator.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.