How To Fix /IWFND/CM_V4_COS171 - DB Error: Assignment group '&1' system alias '&2' not created

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_V4_COS -

• Message number: 171

• Message text: DB Error: Assignment group '&1' system alias '&2' not created

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 /IWFND/CM_V4_COS171 - DB Error: Assignment group '&1' system alias '&2' not created ?

  The SAP error message /IWFND/CM_V4_COS171 DB Error: Assignment group '&1' system alias '&2' not created typically indicates an issue related to the configuration of the OData services in the SAP Gateway. This error suggests that there is a problem with the assignment of a system alias to a specific assignment group, which is necessary for the proper functioning of OData services.
  Cause:
  
  Missing Configuration: The assignment group or system alias may not have been created or configured correctly in the SAP Gateway.
  Database Issues: There could be underlying database issues that prevent the creation of the assignment group.
  Authorization Issues: The user may not have the necessary authorizations to create or modify the assignment group or system alias.
  Transport Issues: If the configuration was transported from another system, it may not have been transported correctly.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP Gateway system and check the configuration for the assignment group and system alias.
  Use transaction code /IWFND/MAINT_SERVICE to check if the service is correctly assigned to the system alias.
  
  
  
  Create Assignment Group:
  
  If the assignment group does not exist, create it using transaction code /IWFND/CM_COS or through the relevant configuration transaction.
  Ensure that the system alias is correctly defined in the system.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to create or modify assignment groups and system aliases.
  
  
  
  Database Check:
  
  Check the database for any issues that might be preventing the creation of the assignment group. This may involve checking for locks or inconsistencies in the database.
  
  
  
  Transport Check:
  
  If the configuration was transported, verify that all necessary objects were included in the transport request and that the transport was successful.
  
  
  
  System Alias Verification:
  
  Verify that the system alias is correctly defined in the SAP Gateway settings. You can check this in transaction code /IWFND/CM_COS under the "System Aliases" section.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Logs: Review the application logs (transaction code SLG1) for more detailed error messages that could provide further insights into the issue.
  Documentation: Refer to the SAP Gateway documentation for detailed information on configuring OData services and managing assignment groups and system aliases.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.