How To Fix FMFG_PEROP_SD007 - PEROP for billing plan item dated &1 before one of item dated &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FMFG_PEROP_SD - Messages for Period of Performance for SD

• Message number: 007

• Message text: PEROP for billing plan item dated &1 before one of item dated &2

What causes this issue?

The period of performance (PEROP) of the billing plan item falls before
the period of performance of the latest Billing Plan item with status
'Partially processed' or 'Completely processed'. This cannot be allowed
when Resource-Related Billing (RRB) and period of performance features
have been customized. Execution of RRB would likely result in amounts
that have already been billed being proposed for billing with reversed
+/- sign.

System Response

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

How to fix this error?

Enter a period of performance for the billing plan item that falls after
the period of performance of the latest billing plan item with status
'Partially processed' or 'Completely processed'.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMFG_PEROP_SD007 - PEROP for billing plan item dated &1 before one of item dated &2 ?

  The SAP error message FMFG_PEROP_SD007 typically occurs in the context of billing plans and indicates that there is a conflict with the dates of billing plan items. Specifically, the error suggests that a billing plan item with a date &1 is set before another billing plan item with a date &2, which is not allowed according to the system's rules for billing plan processing.
  Cause:
  
  Date Conflict: The primary cause of this error is that the billing plan items have overlapping or conflicting dates. The system expects billing plan items to be in a specific chronological order, and having one item dated before another can lead to inconsistencies in billing.
  Configuration Issues: There may be configuration settings in the billing plan that enforce strict date rules, leading to this error when the rules are violated.
  Data Entry Errors: Manual entry errors during the creation or modification of billing plan items can lead to incorrect dates being assigned.
  
  Solution:
  
  Check Dates: Review the dates of the billing plan items involved. Ensure that the dates are in the correct order and that there are no overlaps. Adjust the dates as necessary to resolve the conflict.
  Modify Billing Plan: If the billing plan items need to be adjusted, you may need to delete or modify one of the items to ensure that the dates are sequential and do not conflict.
  Review Configuration: If this error occurs frequently, it may be worth reviewing the configuration settings for billing plans in your SAP system to ensure they align with your business processes.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on managing billing plans and resolving date conflicts.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like VF01 (Create Billing Document) or VF02 (Change Billing Document) to access and modify billing documents.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling billing plan items.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, check for any user exits or BAdIs that might affect billing plan processing.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in SD (Sales and Distribution) processes for further assistance.