How To Fix JIT00102 - Reference number &2 from type &1 is not permitted at header level

SAP Error Message - Details

• Message type: E = Error

• Message class: JIT00 - JIT: Messages for JIT Process

• Message number: 102

• Message text: Reference number &2 from type &1 is not permitted at header level

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message JIT00102 - Reference number &2 from type &1 is not permitted at header level ?

  The SAP error message JIT00102 indicates that there is an issue with the reference number at the header level in a Just-In-Time (JIT) delivery scenario. This error typically arises when the system encounters a reference number that is not allowed or is incorrectly configured for the specific document type or transaction.
  Cause:
  
  Incorrect Reference Number: The reference number provided does not match the expected format or is not valid for the document type being processed.
  Configuration Issues: The configuration settings for the JIT process may not allow the use of the specified reference number at the header level.
  Document Type Restrictions: Certain document types may have restrictions on the types of reference numbers that can be used.
  Data Inconsistencies: There may be inconsistencies in the data that are causing the reference number to be flagged as invalid.
  
  Solution:
  
  Check Reference Number: Verify that the reference number being used is correct and adheres to the expected format for the document type.
  Review Configuration: Check the configuration settings for JIT in the SAP system. Ensure that the reference number settings are correctly defined for the document type you are working with.
  Document Type Settings: Review the settings for the specific document type in the SAP configuration to ensure that it allows the use of the reference number at the header level.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors that could lead to this message.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the JIT process and reference number requirements.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like JIT1, JIT2, or JIT3 to access JIT-related settings and configurations.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on JIT configurations.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration and business processes.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.