How To Fix BF00400 - Message number & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: BF00 - FI: Application base reports

• Message number: 400

• Message text: Message number & is not allowed

What causes this issue?

The message number &V1& that you have entered is not permitted here.

System Response

Error message

How to fix this error?

To display possible entries, choose F4 and select the required number
from the permitted message numbers.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BF00400 - Message number & is not allowed ?

  The SAP error message BF00400, which states "Message number & is not allowed," typically occurs in the context of message handling within SAP systems. This error can arise in various scenarios, such as when trying to process messages that are not defined or are restricted in the system.
  Cause:
  
  Invalid Message Number: The message number you are trying to use does not exist in the system or is not defined in the message class.
  Authorization Issues: The user may not have the necessary authorizations to access or process the specified message.
  Configuration Issues: There may be configuration settings that restrict the use of certain message numbers or classes.
  Custom Development: If there are custom developments or enhancements, they might be incorrectly referencing message numbers.
  
  Solution:
  
  Check Message Number: Verify that the message number you are trying to use is valid and exists in the relevant message class. You can do this by navigating to the transaction SE91 (Message Class) in SAP.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the message. You can check this in transaction SU53 (Authorization Check) after the error occurs.
  Configuration Review: Review the configuration settings related to message handling in the relevant module. Ensure that there are no restrictions on the message numbers being used.
  Debugging: If the error occurs in a custom program or enhancement, consider debugging the code to identify where the invalid message number is being referenced.
  Consult Documentation: Check SAP Notes or documentation related to the specific module or functionality you are working with to see if there are known issues or additional configuration steps required.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SE91: To view and manage message classes and their messages.
  SU53: To analyze authorization issues.
  SE80: To check for custom developments that might be causing the issue.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional context.
  
  
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.