SAP Message CACSPY307 - Document &1 has already been reversed

Diagnosis
The CACS document you entered, &V1&, has already been reset in FI.
All reset documents have an 'S' in the field WORK_FLAG (tableWhat_to_do_docfi_h ).

Procedure for System Administration
Function cannot be carried out, or can only be carried out in part.
INCLUDE ISIS_NA_SYSADMIN OBJECT DOKU ID TX