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

RE952 - Overview

• 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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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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RE952 - Details

• 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: