How To Fix FDT_WD_EXPRESSION090 - Security Check: Function Module &1 is not expected to be called

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_WD_EXPRESSION -

• Message number: 090

• Message text: Security Check: Function Module &1 is not expected to be called

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 FDT_WD_EXPRESSION090 - Security Check: Function Module &1 is not expected to be called ?

  The SAP error message FDT_WD_EXPRESSION090 indicates that a security check has failed because a specific function module (FM) is not expected to be called in the current context. This is typically related to the use of function modules in the context of the SAP Fiori or Web Dynpro applications, where certain security restrictions are enforced to prevent unauthorized access or execution of sensitive operations.
  Cause:
  
  Security Restrictions: The function module being called may have security restrictions that prevent it from being executed in certain contexts, such as from a web application or by a user without the necessary authorizations.
  Incorrect Configuration: The function module may not be properly configured to be called from the specific application or context.
  Authorization Issues: The user executing the function may not have the required authorizations to call the function module.
  Development Errors: There may be a mistake in the code where the function module is being called incorrectly or inappropriately.
  
  Solution:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. This can be done by checking the user's roles and authorizations in the SAP system.
  Review Function Module Settings: Verify the settings of the function module in transaction SE37. Check if it is marked as "Remote-Enabled" and if it has any specific restrictions on its usage.
  Modify Code: If you are a developer, review the code that is calling the function module. Ensure that it is being called in the correct context and that it adheres to the security guidelines.
  Consult Documentation: Check the SAP documentation for the specific function module to understand its intended use and any restrictions that may apply.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific function module and its usage.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE37 (Function Module) and SU53 (Authorization Check) to investigate the issue further.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide guidance on the specific function module.
  Debugging: If you have access, consider debugging the application to trace the execution flow and identify where the error occurs.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message FDT_WD_EXPRESSION090.