How To Fix /IWFND/CM_V4_COS153 - Too many default system aliases for service group '&1' and user '&2'

/IWFND/CM_V4_COS153 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_V4_COS -

• Message number: 153

• Message text: Too many default system aliases for service group '&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_V4_COS153 - Details

• The SAP error message /IWFND/CM_V4_COS153 indicates that there are too many default system aliases configured for a specific service group and user. This typically occurs in the context of SAP Gateway services, where the system is trying to resolve a service but finds that there are too many aliases defined, leading to ambiguity.
  
  Cause:
  
  
  Excessive Default Aliases: The error is triggered when there are multiple default system aliases defined for a service group and user combination. This can happen if:
  
  Multiple service definitions have been created for the same service group.
  There are configuration issues or inconsistencies in the service definitions.
  
  
  
  Configuration Errors: Incorrect or redundant configurations in the SAP Gateway service might lead to the system being unable to determine which alias to use.
  
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Service Definitions:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and check the service definitions for the service group in