How To Fix /IWNGW/CM_BEP_COS026 - User does not have authorization to invoke the RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_BEP_COS -

• Message number: 026

• Message text: User does not have authorization to invoke the RFC

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_BEP_COS026 - User does not have authorization to invoke the RFC ?

  The SAP error message /IWNGW/CM_BEP_COS026 indicates that a user does not have the necessary authorization to invoke a Remote Function Call (RFC). This typically occurs in scenarios where a user is trying to access a service or function that requires specific permissions that have not been granted.
  Cause:
  
  Missing Authorizations: The user does not have the required authorizations assigned in their user profile to execute the RFC.
  Role Assignment: The roles assigned to the user may not include the necessary permissions for the specific RFC function.
  Authorization Object: The authorization object related to the RFC might not be properly configured or assigned to the user.
  System Configuration: There may be system-level restrictions or configurations that prevent the user from executing the RFC.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction SU01 to check the user’s authorizations.
  Review the roles assigned to the user and ensure they include the necessary permissions for the RFC.
  
  
  
  Assign Required Roles:
  
  If the user lacks the necessary roles, assign the appropriate roles that include the required authorizations for the RFC.
  You may need to consult with your SAP security team to identify the correct roles.
  
  
  
  Review Authorization Objects:
  
  Identify the specific authorization objects that are required for the RFC. This can often be found in the documentation for the RFC or by consulting with your SAP Basis team.
  Ensure that the user has the necessary authorizations for these objects.
  
  
  
  Testing:
  
  After making changes to the user’s roles or authorizations, test the RFC call again to ensure that the issue is resolved.
  
  
  
  Consult SAP Documentation:
  
  Refer to SAP documentation or support notes related to the specific RFC to understand any additional requirements or configurations that may be necessary.
  
  
  
  Check System Logs:
  
  Use transaction SM21 to check system logs for any additional error messages or information that may provide more context about the authorization failure.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SU53: Display Authorization Check (to analyze authorization failures)
  SM21: System Log
  
  
  
  Authorization Objects: Common authorization objects related to RFCs include S_RFC, S_RFC_ADM, and S_TCODE.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the RFC or authorization errors.
  
  
  If the problem persists after following these steps, it may be necessary to engage with your SAP Basis or security team for further investigation and resolution.