How To Fix GP020 - Error while checking document header

GP020 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 020

• Message text: Error while checking document header

What causes this issue?

Errors occurred while checking the document header.

System Response

The document is classified as containing errors.

How to fix this error?

The actual cause of the error can be found in the error log.

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 GP020 - Error while checking document header ?

  The SAP error message GP020, which states "Error while checking document header," typically occurs during the processing of documents in the SAP system, particularly in the context of financial transactions or document postings. This error can arise due to various reasons, and understanding the cause is essential for finding an appropriate solution.
  Causes of GP020 Error
  
  
  Missing or Incorrect Data: The document header may be missing required fields or contain incorrect data. This can include missing company codes, document types, or fiscal year.
  
  
  Authorization Issues: The user may not have the necessary authorizations to post or check the document, leading to this error.
  
  
  
  Configuration Issues: There may be configuration problems in the SAP system related to document types, number ranges, or other settings that affect document processing.
  
  
  Inconsistent Data: If there are inconsistencies in the data being processed (e.g., between the header and line items), this can trigger the error.
  
  
  Custom Code or Enhancements: If there