How To Fix FH405 - Field name & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 405

• Message text: Field name & is 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 FH405 - Field name & is not allowed ?

  The SAP error message FH405 ("Field name & is not allowed") typically occurs in the context of financial accounting or when working with certain data entry forms in SAP. This error indicates that a specific field name is not permitted in the context where it is being used. Here are some potential causes, solutions, and related information for this error:
  Causes:
  
  Field Restrictions: The field you are trying to use may be restricted based on the configuration of the SAP system. Certain fields may not be allowed in specific transactions or contexts.
  Data Entry Errors: There may be a typo or incorrect field name being referenced in your input.
  Custom Development: If there are custom programs or enhancements in your SAP environment, they may have specific rules that restrict certain fields.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the specified field.
  
  Solutions:
  
  Check Field Name: Verify that the field name you are trying to use is correct and exists in the context you are working in. Ensure there are no typos.
  Review Configuration: Consult with your SAP configuration team to understand if there are restrictions on the field in question. They may need to adjust settings in the configuration.
  Consult Documentation: Look at the SAP documentation or help files related to the transaction or module you are using to see if there are any notes on field restrictions.
  Authorization Check: Ensure that your user role has the necessary permissions to access the field. If not, you may need to request additional authorizations from your SAP security team.
  Debugging: If you have access to debugging tools, you can analyze the program or transaction to see why the field is being flagged as not allowed.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to financial accounting, such as FB01 (Post Document), FBL1N (Vendor Line Item Display), etc.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  User Forums: SAP Community and other user forums can be helpful resources for finding similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the FH405 error and implement a suitable solution.