How To Fix CMS_OMS_BP_LNK004 - Mandatory business partner function &1 missing for this entity object

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_OMS_BP_LNK - Business Partner Service Link

• Message number: 004

• Message text: Mandatory business partner function &1 missing for this entity object

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMS_OMS_BP_LNK004 - Mandatory business partner function &1 missing for this entity object ?

  The SAP error message CMS_OMS_BP_LNK004 indicates that a mandatory business partner function is missing for a specific entity object. This error typically arises in the context of Business Partner (BP) management within SAP, particularly when dealing with the Customer Relationship Management (CRM) or the SAP Customer Experience (CX) modules.
  Cause:
  The error occurs when:
  
  A business partner (BP) is created or modified without assigning a required function that is necessary for the specific entity object.
  The system expects certain functions to be assigned to a business partner based on the configuration or the business process requirements, and these functions are not present.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Missing Function:
  
  Check the error message for the specific function that is missing (indicated by &1 in the error message).
  Review the business partner configuration to understand which functions are mandatory for the entity object you are working with.
  
  
  
  Assign the Missing Function:
  
  Go to the Business Partner transaction (BP) in SAP.
  Search for the relevant business partner that is causing the error.
  Edit the business partner and navigate to the "Roles" or "Functions" section.
  Assign the required business partner function that was indicated in the error message.
  
  
  
  Check Configuration Settings:
  
  If you are unsure which functions are mandatory, check the configuration settings in the SAP system.
  Use transaction code BP to access the Business Partner Master Data and review the roles and functions assigned to different business partner categories.
  
  
  
  Test the Changes:
  
  After assigning the necessary function, try to perform the action that previously resulted in the error to ensure that the issue is resolved.
  
  
  
  Consult Documentation:
  
  If the problem persists, refer to SAP documentation or help resources for more detailed information on business partner functions and their requirements.
  
  
  
  Related Information:
  
  Business Partner Roles: Different roles can be assigned to a business partner, such as customer, vendor, or employee. Each role may have specific functions that are required.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  BP: Business Partner Maintenance
  BP_MON: Business Partner Monitoring
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Custom Development: If your organization has custom developments or enhancements, ensure that they are not interfering with standard business partner functionality.
  
  By following these steps, you should be able to resolve the CMS_OMS_BP_LNK004 error and ensure that the necessary business partner functions are correctly assigned.