How To Fix /IWFND/CM_V4_COS173 - DB Error: Assignment group '&1' system alias '&2' not updated

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_V4_COS -

• Message number: 173

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

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_COS173 - DB Error: Assignment group '&1' system alias '&2' not updated ?

  The SAP error message /IWFND/CM_V4_COS173 DB Error: Assignment group '&1' system alias '&2' not updated typically indicates an issue related to the assignment of a system alias in the context of the SAP Gateway or OData services. This error can occur during the configuration or execution of OData services when there is a problem with the database update related to the assignment group and system alias.
  Causes:
  
  Database Locking Issues: The database table might be locked by another transaction, preventing the update from being completed.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to update the assignment group or system alias.
  Data Integrity Issues: There may be inconsistencies or integrity issues in the data that prevent the update from being applied.
  Configuration Errors: Incorrect configuration of the assignment group or system alias in the SAP Gateway settings.
  Transport Issues: If the changes were transported from another system, there might be issues with the transport itself.
  
  Solutions:
  
  Check Database Locks: Use transaction SM12 to check for any locks on the relevant database tables. If you find locks, you may need to wait for them to be released or contact the user holding the lock.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the update. You can check this using transaction SU53 after the error occurs.
  Validate Data: Check the data integrity of the assignment group and system alias. Ensure that all required fields are populated correctly and that there are no inconsistencies.
  Reconfigure: If there are configuration errors, review the settings for the assignment group and system alias in the SAP Gateway configuration (transaction /IWFND/MAINT_SERVICE).
  Check Transport Logs: If the issue arose after a transport, review the transport logs for any errors or warnings that might indicate what went wrong during the transport process.
  Debugging: If the issue persists, consider debugging the OData service to identify where the error occurs in the code.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and SE11 (Data Dictionary) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.