How To Fix PSM_S4C_FM_MD179 - Validity cannot start on &1; this functional area has plan dat from &2 on

PSM_S4C_FM_MD179 - Overview

• Message type: E = Error

• Message class: PSM_S4C_FM_MD -

• Message number: 179

• Message text: Validity cannot start on &1; this functional area has plan dat from &2 on

What causes this issue?

The validity cannot start on &V1&; this functional area has plan data
from &V2& on.

System Response

The earliest plan data was found for the following address (functional
area/company code/plan category/ledger): &V3&

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.

PSM_S4C_FM_MD179 - Details

• The SAP error message PSM_S4C_FM_MD179 indicates that there is an issue with the validity period of a functional area in the context of planning data. Specifically, the error states that the validity cannot start on a certain date because there is already planning data available from an earlier date.
  
  Cause:
  The error typically arises when you attempt to create or modify a planning entry (such as a budget or forecast) for a functional area that has existing planning data starting from a date that conflicts with the new entry you are trying to create. In other words, the system is enforcing data integrity by preventing overlapping validity periods for planning data.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Planning Data: Review the existing planning data for the functional area in question. You can do this by navigating to the relevant planning transaction or report in SAP.
  
  
  Adjust Validity Dates: If