How To Fix COM_LINK_PARTNER104 - Illegal value &1 for indicator 'main partner'

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_LINK_PARTNER - relationship product to businesspartner

• Message number: 104

• Message text: Illegal value &1 for indicator 'main partner'

What causes this issue?

The indicator for the main partner (link_bp_main) contains value &V1&,
which is not allowed.
You can identify the data record with the missing data with the help of
the following relationship data:
GUID of the data record for the relationships: &V2&
Source ID: &V3&
Partner ID: &V4&

System Response

The data record is not processed.

How to fix this error?

Set the value to ' ' or 'X'.

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 COM_LINK_PARTNER104 - Illegal value &1 for indicator 'main partner' ?

  The SAP error message COM_LINK_PARTNER104 with the description "Illegal value &1 for indicator 'main partner'" typically occurs in the context of the SAP system when dealing with partner functions in a business transaction, such as sales orders, purchase orders, or other documents that involve partner roles.
  Cause:
  The error is triggered when an invalid value is assigned to the 'main partner' indicator in a partner function. This can happen due to several reasons:
  
  Incorrect Configuration: The partner function configuration in the system may not be set up correctly, leading to invalid values being assigned.
  Data Entry Error: Users may have entered an incorrect value manually in the partner function fields.
  Custom Development: If there are custom programs or enhancements that manipulate partner data, they may be passing incorrect values.
  Missing Master Data: The required partner master data may not exist or may be incomplete.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Partner Function Configuration:
  
  Go to the configuration settings for partner functions in the relevant module (e.g., Sales and Distribution, Materials Management).
  Ensure that the partner functions are correctly defined and that the 'main partner' indicator is set up properly.
  
  
  
  Validate Input Data:
  
  Review the document or transaction where the error occurred and check the partner data entered.
  Ensure that the values assigned to the partner functions are valid and correspond to the expected values in the system.
  
  
  
  Review Master Data:
  
  Check the master data for the partners involved (e.g., customers, vendors) to ensure that all necessary information is complete and accurate.
  If any partner data is missing or incorrect, update it accordingly.
  
  
  
  Debug Custom Code:
  
  If there are custom developments that interact with partner functions, review the code to ensure that it is not passing invalid values.
  Debug the program to identify where the incorrect value is being set.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional guidance.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to ensure that the error no longer occurs.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like VD03 (Display Customer), XD03 (Display Customer (Centrally)), or MK03 (Display Vendor) to check partner master data.
  Partner Functions: Familiarize yourself with the concept of partner functions in SAP, as they define the roles that different partners play in a business transaction.
  SAP Documentation: Refer to SAP Help documentation for detailed information on partner functions and configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.