How To Fix GMMASTERDATA124 - Cost sharing percentages without a cost sharing rule are invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: GMMASTERDATA - Grant master data maintenance messages only

• Message number: 124

• Message text: Cost sharing percentages without a cost sharing rule are invalid

What causes this issue?

There are individual costsharing rates for combinations of sponsored
program and sponsored class, but no cost sharing rule has been entered.

System Response

A warning is generated. The rates are not used for subsequent
processing unless a cost sharing rule is provided.

How to fix this error?

Enter a cost sharing rule.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message GMMASTERDATA124 - Cost sharing percentages without a cost sharing rule are invalid ?

  The SAP error message GMMASTERDATA124 indicates that there are cost sharing percentages defined in the system without an associated cost sharing rule. This error typically arises in the context of Grant Management (GM) in SAP, where cost sharing is a mechanism used to allocate costs among different parties or funding sources.
  
  Cause:
  
  Missing Cost Sharing Rule: The primary cause of this error is that the system has cost sharing percentages defined for a grant or project, but there is no corresponding cost sharing rule that specifies how these percentages should be applied.
  
  Configuration Issues: There may be issues in the configuration of the cost sharing rules in the SAP system, leading to the inability to link the percentages to a valid rule.
  Data Entry Errors: Incorrect or incomplete data entry when setting up the grant or project can also lead to this error.
  
  
  Solution:
  
  
  Define Cost Sharing Rules:
  
  Navigate to the configuration settings for Grant Management in