How To Fix /IWFND/CM_COS065 - No System Alias flagged as "Default" for Service '&1' and user '&2'

/IWFND/CM_COS065 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_COS -

• Message number: 065

• Message text: No System Alias flagged as "Default" for Service '&1' and user '&2'

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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/IWFND/CM_COS065 - Details

• The SAP error message /IWFND/CM_COS065 indicates that there is no system alias marked as "Default" for the specified OData service and user. This typically occurs in the context of SAP Gateway services when the system is unable to determine which backend system to connect to for the requested OData service.
  
  Cause:
  
  No Default System Alias: The most common cause is that there is no system alias configured as "Default" for the OData service in question.
  Service 
  Configuration Issues: The OData service may not be properly configured in the SAP Gateway system.
  User-Specific Settings: The user may not have the necessary authorizations or settings to access the service.
  Transport Issues: If the service was recently transported, the system alias may not have been set up correctly in the target system.
  
  
  Solution:
  
  
  Check System Aliases:
  
  Go to the SAP Gateway system and navigate to the transaction code /IWFND/MAINT_SERVICE.
  Find the service that is causing the error and check the "System Aliases"