How To Fix SWF_CST391 - RFC user is not assigned a required role

SWF_CST391 - Overview

• Message type: E = Error

• Message class: SWF_CST - Message Class for Workflow Customizing

• Message number: 391

• Message text: RFC user is not assigned a required role

Self-Explanatory Message

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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 SWF_CST391 - RFC user is not assigned a required role ?

  The SAP error message SWF_CST391 indicates that an RFC (Remote Function Call) user is not assigned a required role. This typically occurs in the context of workflow or when a background job is trying to execute a function that requires specific authorizations that the user does not have.
  
  Cause:
  
  Missing Role Assignment: The RFC user does not have the necessary roles assigned in the SAP system. This can happen if the user was created without the appropriate authorizations or if roles were removed or not properly assigned.
  Authorization Issues: The user may lack specific authorizations required to execute the function or access the necessary data.
  
  Configuration Issues: There may be a misconfiguration in the workflow or the RFC destination settings.
  
  
  Solution:
  
  
  Check User Roles:
  
  Go to transaction SU01 (User Maintenance) and enter the RFC user ID.
  Check the roles assigned to the user. Ensure that the user has the necessary roles that include the required authorizations for the