How To Fix CL090 - Function not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 090

• Message text: Function 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 CL090 - Function not allowed ?

  The SAP error message CL090, which states "Function not allowed," typically occurs when a user attempts to perform an action that is not permitted in the current context or configuration. This error can arise in various scenarios, such as when trying to execute a function that is restricted by system settings, user authorizations, or specific business rules.
  Causes of CL090 Error
  
  Authorization Issues: The user may not have the necessary permissions to execute the function or transaction.
  Configuration Settings: Certain functions may be disabled in the system configuration, either globally or for specific user roles.
  Business Rules: The action may violate business rules defined in the system, such as trying to post a document in a closed period.
  Transaction Restrictions: Some transactions may have restrictions based on the status of the document or the user’s role.
  Custom Code: If there are custom enhancements or modifications in the system, they may inadvertently restrict certain functions.
  
  Solutions to CL090 Error
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to perform the action. This can be done by checking the user roles and profiles in transaction SU01 or PFCG.
  If necessary, request additional authorizations from your SAP security team.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings related to the function you are trying to execute. This may involve reviewing settings in transaction SPRO or consulting with the functional team responsible for that area.
  
  
  
  Consult Business Rules:
  
  Ensure that the action you are trying to perform complies with the business rules set in the system. For example, if you are trying to post a document, ensure that the posting period is open.
  
  
  
  Check for Transaction Restrictions:
  
  Review any restrictions that may apply to the transaction you are using. This may involve checking the status of the document or the specific conditions under which the function can be executed.
  
  
  
  Debug Custom Code:
  
  If the error is related to custom code, you may need to debug the relevant program or enhancement to identify why the function is being restricted.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on similar issues.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SU01 (User Maintenance), PFCG (Role Maintenance), and SPRO (Customizing).
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with details about the error and the context in which it occurs.
  Documentation: Review SAP documentation and user manuals related to the specific module or function you are working with for additional insights.
  
  By following these steps, you should be able to identify the cause of the CL090 error and implement a suitable solution.