How To Fix /IWBEP/CM_CP216 - Initial select paths is not allowed

/IWBEP/CM_CP216 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 216

• Message text: Initial select paths is not allowed

Self-Explanatory Message

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/IWBEP/CM_CP216 - Details

• The SAP error message /IWBEP/CM_CP216 Initial select paths is not allowed typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the way the initial select paths are defined in your OData service. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Invalid Initial Select Paths: The error usually arises when the OData service is trying to execute a query with initial select paths that are not allowed. This can happen if the service is configured to use certain navigation properties or if the query is trying to access data in a way that is not supported by the service definition.
  Service 
  Configuration Issues: There may be issues in the service configuration, such as incorrect annotations or missing definitions for the entity sets and their relationships.
  Data Model Issues: The underlying data model may not support the requested operation, or there