How To Fix COM_PARTNER151 - Enter mandatory partner

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PARTNER - Partner Processing Messages

• Message number: 151

• Message text: Enter mandatory partner

What causes this issue?

The business transaction requires one or more mandatory partners to be
able to be correctly processed by the system.

How to fix this error?

Maintain the required mandatory partners.

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_PARTNER151 - Enter mandatory partner ?

  The SAP error message COM_PARTNER151 indicates that a mandatory partner is missing in the context of a business transaction. This error typically arises in scenarios involving partner determination, such as when creating or processing sales orders, purchase orders, or other documents that require partner information (like customer, vendor, or other business partners).
  Cause:
  The error occurs when the system expects a mandatory partner (such as a sold-to party, ship-to party, payer, or other relevant partner roles) to be specified, but it is either missing or not correctly assigned in the document being processed. This can happen due to:
  
  Incomplete Master Data: The partner master data may not be fully maintained, leading to missing mandatory fields.
  Configuration Issues: The partner determination procedure may not be correctly set up in the system.
  Document Type Settings: The specific document type being used may not have the necessary partner roles defined.
  User Input Error: The user may have overlooked entering the required partner information during document creation.
  
  Solution:
  To resolve the COM_PARTNER151 error, you can take the following steps:
  
  
  Check Partner Assignment:
  
  Go to the document where the error occurred (e.g., sales order, purchase order).
  Verify that all mandatory partner roles are filled in. For example, ensure that the sold-to party, ship-to party, and payer are correctly assigned.
  
  
  
  Review Master Data:
  
  Check the master data for the business partners involved. Ensure that all necessary information is complete and accurate.
  If you are dealing with a customer or vendor, ensure that their master data is fully maintained in the system.
  
  
  
  Partner Determination Procedure:
  
  Review the partner determination procedure in the configuration settings (transaction code SPRO).
  Ensure that the procedure is correctly set up to include the necessary partner roles for the document type you are working with.
  
  
  
  Document Type Configuration:
  
  Check the configuration for the specific document type to ensure that it requires the necessary partner roles.
  You can do this in the relevant customizing settings for sales and distribution (SD) or materials management (MM).
  
  
  
  User Training:
  
  If the error is due to user oversight, consider providing training or guidelines on how to correctly enter partner information in the system.
  
  
  
  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 Determination: Familiarize yourself with the partner determination process in SAP, which can be found in the SAP Help documentation or through training resources.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to partner determination or the error message itself.
  
  By following these steps, you should be able to identify and resolve the cause of the COM_PARTNER151 error in your SAP system.