How To Fix IUUC_TAB191 - Missing authorization in remote system '&1' (fm &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_TAB - IUUC: Messages for table analysis

• Message number: 191

• Message text: Missing authorization in remote system '&1' (fm &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_TAB191 - Missing authorization in remote system '&1' (fm &2) ?

  The SAP error message IUUC_TAB191 indicates that there is a missing authorization in a remote system when trying to perform a specific function module (fm) operation. This error typically occurs in the context of SAP Landscape Transformation (SLT) or when using remote function calls (RFC) to access data in another SAP system.
  Cause:
  The error is caused by the user not having the necessary authorizations in the remote system (indicated by &1) to execute the specified function module (indicated by &2). This can happen due to various reasons, such as:
  
  User Role Configuration: The user does not have the appropriate roles assigned in the remote system that grant access to the required function module.
  Missing Authorization Objects: The authorization objects required for the function module are not included in the user's roles.
  Transport Issues: If the roles were recently transported, they may not have been properly activated in the remote system.
  
  Solution:
  To resolve the IUUC_TAB191 error, follow these steps:
  
  
  Check User Roles:
  
  Log into the remote system and check the roles assigned to the user that is encountering the error.
  Ensure that the user has the necessary roles that include access to the required function module.
  
  
  
  Review Authorization Objects:
  
  Identify the specific authorization objects required for the function module. You can do this by checking the function module's documentation or using transaction SU53 after the error occurs to see what authorizations are missing.
  Ensure that these authorization objects are included in the user's roles.
  
  
  
  Adjust Authorizations:
  
  If the user lacks the necessary authorizations, work with your SAP security team to adjust the roles or create new ones that include the required authorizations.
  
  
  
  Testing:
  
  After making changes to the roles or authorizations, test the operation again to see if the error persists.
  
  
  
  Transport Considerations:
  
  If roles were recently transported, ensure that they are activated in the remote system. You may need to re-transport or re-activate the roles.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance - to check and modify user roles.
  PFCG: Role Maintenance - to manage roles and authorizations.
  SU53: Display Authorization Check - to analyze authorization failures.
  
  
  
  Documentation: Refer to SAP Help documentation for specific function modules to understand their authorization requirements.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on authorization problems related to specific function modules.
  
  
  By following these steps, you should be able to identify and resolve the authorization issue causing the IUUC_TAB191 error in your SAP environment.