How To Fix /IWBEP/CM_MGW_RT147 - Association set '&1' has no proper entity sets assigned

/IWBEP/CM_MGW_RT147 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 147

• Message text: Association set '&1' has no proper entity sets assigned

Self-Explanatory Message

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/IWBEP/CM_MGW_RT147 - Details

• The SAP error message /IWBEP/CM_MGW_RT147 indicates that there is an issue with the association set in your OData service. Specifically, it means that the association set specified (denoted by &1) does not have any valid entity sets assigned to it. This can occur in the context of SAP Gateway services when defining relationships between entities in your data model.
  
  Cause:
  
  Missing Entity Sets: The association set is defined in the service but does not have any entity sets associated with it.
  Incorrect Configuration: There may be a misconfiguration in the service definition, where the association is not properly linked to the entity sets.
  Model Changes: If there have been recent changes to the data model (like adding or removing entity sets or associations), the association set may not have been updated accordingly.
  Transport Issues: If the service was transported from one system to another, there might be inconsistencies in the model definitions.
  
  
  Solution:
  
  Check the Data Model: