How To Fix RE952 - Document &1 line &2: field "KUNNR" must be filled

SAP Error Message - Details

• Message type: E = Error

• Message class: RE - Earmarked funds

• Message number: 952

• Message text: Document &1 line &2: field "KUNNR" must be filled

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RE952 - Document &1 line &2: field "KUNNR" must be filled ?

  The SAP error message RE952 indicates that a required field, specifically "KUNNR" (Customer Number), is not filled in a document line item. This error typically occurs in the context of financial documents, such as invoices or credit memos, where customer information is necessary for processing.
  Cause:
  
  Missing Customer Number: The most common cause is that the customer number (KUNNR) is not entered in the relevant document line item.
  Incorrect Document Type: The document type being used may require a customer number, but the document is not set up correctly to include it.
  Data Entry Error: There may have been an oversight during data entry, leading to the omission of the customer number.
  Configuration Issues: The system configuration may require the customer number for certain document types, and this requirement is not being met.
  
  Solution:
  
  Enter Customer Number: Check the document line item and ensure that the KUNNR field is filled with the appropriate customer number.
  Review Document Type: Verify that the document type being used is appropriate for the transaction and that it requires a customer number.
  Check Configuration: If you have access, review the configuration settings in the SAP system to ensure that the requirements for customer numbers are correctly set up for the relevant document types.
  Data Validation: Implement data validation checks to ensure that all required fields, including KUNNR, are filled before the document is saved or processed.
  
  Related Information:
  
  Transaction Codes: You may encounter this error in various transaction codes related to financial documents, such as FB60 (Enter Incoming Invoice), FB70 (Enter Outgoing Invoice), or others.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Training: Ensure that users are trained on the importance of filling in all required fields when creating or processing documents in SAP.
  Debugging: If the issue persists, consider debugging the transaction to identify any underlying issues in the code or configuration that may be causing the error.
  
  By addressing the missing customer number and ensuring proper configuration and data entry practices, you should be able to resolve the RE952 error message in SAP.