Solution : https://service.sap.com/sap/support/notes/438828 (SAP Service marketplace login required)
Summary :
The SAP report RPCIPC00, responsible for identifying unposted payroll results via 'Posting to accounting: Search for payroll results not posted', may erroneously list payroll results multiple times. This issue stems from a programming error. Users encountering this error should apply the provided patch as per the correction instructions to resolve the issue. Keywords include: RPCIPC00, completeness-check, posting.
Key words :
additional key words rpcipc00, symptom report rpcipc00, attached correction instructions, posted payroll result, payroll results, completeness-check, program error, solution implement, accounting, prerequisites