How To Fix CMS_AST303 - Numerator or denominator shares cannot be defined for partner function &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_AST - Message Class for Asset

• Message number: 303

• Message text: Numerator or denominator shares cannot be defined for partner function &1

What causes this issue?

The involvement of the business partner in the specified partner
function does not permit ownership of the asset or sub-asset. Therefore,
you cannot specify numerator or denominator shares for the business
partner of the specified partner function.

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?

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 CMS_AST303 - Numerator or denominator shares cannot be defined for partner function &1 ?

  The SAP error message CMS_AST303, which states "Numerator or denominator shares cannot be defined for partner function &1," typically occurs in the context of the SAP Customer Management (CMS) module, particularly when dealing with partner functions in a business transaction.
  
  Cause:
  This error usually arises when there is an issue with the configuration of partner functions in the system. Specifically, it indicates that the system is unable to determine the numerator or denominator shares for a specified partner function. This can happen due to several reasons:
  
  Missing Configuration: The partner function may not be properly configured in the system, leading to the inability to define shares.
  Incorrect Partner Function Assignment: The partner function assigned to a business transaction may not support share definitions.
  Data Inconsistencies: There may be inconsistencies or missing data in the master data related to the partner functions.
  Business Rules: The business rules defined for the partner functions may not allow for share