How To Fix /IWFND/MED_SVC_MU_LA002 - No meta model identifier associated to root node and default query

/IWFND/MED_SVC_MU_LA002 - Overview

• Message type: E = Error

• Message class: /IWFND/MED_SVC_MU_LA -

• Message number: 002

• Message text: No meta model identifier associated to root node and default query

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/MED_SVC_MU_LA002 - Details

• The SAP error message /IWFND/MED_SVC_MU_LA002 indicates that there is no meta model identifier associated with the root node and the default query in the context of SAP Gateway services. This error typically arises when there is a problem with the metadata configuration of an OData service.
  Causes:
  
  Missing Metadata: The OData service may not have the required metadata defined for the root node.
  Service Registration Issues: The service might not be properly registered in the SAP Gateway.
  Incorrect Model Configuration: The model might not be correctly configured in the service definition.
  Transport Issues: If the service was transported from one system to another, the metadata might not have been transported correctly.
  Service Activation: The OData service might not be activated or might be in an inconsistent state.
  
  Solutions:
  
  
  Check Service Registration:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and ensure that the service is properly registered.
  Use transaction IWFND/MAINT_SERVICE to check if the service is active.
  
  
  
  Rebuild Metadata:
  
  In