How To Fix FB384 - Only the entries I or a blank are allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FB - Batch Programs

• Message number: 384

• Message text: Only the entries I or a blank are 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FB384 - Only the entries I or a blank are allowed ?

  The SAP error message FB384 ("Only the entries I or a blank are allowed") typically occurs in the context of financial transactions, particularly when dealing with document types or posting keys in the SAP system. This error indicates that the system expects a specific input value, either "I" (for "Input") or a blank entry, but received something else.
  Cause:
  
  Incorrect Input Value: The user may have entered an invalid value in a field that only accepts "I" or a blank.
  Configuration Issues: There may be a configuration issue in the financial document types or posting keys that restricts the allowed values.
  User Authorization: The user may not have the necessary authorizations to perform the action, leading to unexpected behavior.
  
  Solution:
  
  Check Input Values: Ensure that the value entered in the relevant field is either "I" or left blank. Review the transaction or document you are trying to post.
  Review Configuration: If you have access, check the configuration settings for the document type or posting key in the SAP system. This can be done through transaction codes like OBA7 (for document types) or OB41 (for posting keys).
  User Authorization: Verify that the user has the necessary authorizations to perform the transaction. This can be checked with the help of your SAP security team.
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction you are using to understand the expected input values better.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB01 (Post Document), FB50 (G/L Account Document), and others that may be related to the error.
  SAP Notes: Search for SAP Notes related to FB384 for any patches or updates that may address the issue.
  User Training: Ensure that users are trained on the correct input values and procedures to avoid this error in the future.
  
  By following these steps, you should be able to identify the cause of the FB384 error and implement a solution to resolve it.