How To Fix FES008 - Header not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FES - Messages for the Function Group SFES

• Message number: 008

• Message text: Header not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FES008 - Header not allowed ?

  The SAP error message FES008: Header not allowed typically occurs in the context of financial transactions, particularly when dealing with document headers in SAP. This error indicates that the system has encountered a situation where a header record is not permitted in the current context or transaction.
  Causes:
  
  Incorrect Document Type: The document type being used may not support header records. For example, certain financial documents may require line items only.
  Configuration Issues: The configuration settings for the document type or the transaction may not allow for header records.
  Data Entry Errors: There may be an issue with the data being entered, such as missing mandatory fields or incorrect values.
  Authorization Issues: The user may not have the necessary authorizations to create or modify header records in the specific transaction.
  
  Solutions:
  
  Check Document Type: Verify that the document type you are using is appropriate for the transaction. If it does not support headers, switch to a compatible document type.
  Review Configuration: Consult with your SAP configuration team to ensure that the document type and transaction settings are correctly configured to allow header records.
  Validate Data Entry: Ensure that all required fields are filled out correctly and that the data entered complies with the expected formats and values.
  User Authorizations: Check if the user has the necessary authorizations to perform the action. If not, request the appropriate permissions from your SAP security team.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error message. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to financial postings, such as FB01 (Post Document), F-02 (General Posting), etc.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  Testing in Development: If possible, replicate the issue in a development or test environment to better understand the cause without affecting production data.
  
  By following these steps, you should be able to identify the cause of the FES008 error and implement a suitable solution.