How To Fix /IWFND/CM_IFL020 - Invalid navigation information with a second predicate

/IWFND/CM_IFL020 - Overview

• Message type: E = Error

• Message class: /IWFND/CM_IFL -

• Message number: 020

• Message text: Invalid navigation information with a second predicate

Self-Explanatory Message

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/IWFND/CM_IFL020 - Details

• The SAP error message /IWFND/CM_IFL020 Invalid navigation information with a second predicate typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the navigation properties in your OData service, particularly when there are multiple predicates in the query that are not properly defined or supported.
  
  Cause:
  
  
  Invalid Navigation Path: The error often arises when the OData service is trying to navigate through an entity set using a path that is not correctly defined in the metadata. This can happen if the navigation properties are not set up correctly in the service or if the entity relationships are not properly defined.
  
  
  Multiple Predicates: The error specifically mentions "a second predicate," which suggests that the query being executed has multiple conditions that are conflicting or not supported by the navigation properties defined in the OData service.
  
  
  Service Implementation Issues: There may be issues in the implementation