How To Fix /IWBEP/SBUIOD160 - Navigation Property cannot be created for referenced entities

/IWBEP/SBUIOD160 - Overview

• Message type: E = Error

• Message class: /IWBEP/SBUIOD -

• Message number: 160

• Message text: Navigation Property cannot be created for referenced entities

Self-Explanatory Message

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/IWBEP/SBUIOD160 - Details

• The SAP error message /IWBEP/SBUIOD160 Navigation Property cannot be created for referenced entities typically occurs in the context of SAP Gateway and OData services when there is an issue with the definition of navigation properties in your OData model. This error indicates that the system is unable to create a navigation property for a referenced entity due to some inconsistencies or misconfigurations in the data model.
  Causes:
  
  Incorrect Entity Relationship: The navigation property may be trying to reference an entity that does not have a proper relationship defined in the data model.
  Missing Annotations: Required annotations for the navigation properties might be missing, which can lead to issues in the OData service generation.
  Circular References: If there are circular references in the entity relationships, it can cause problems in creating navigation properties.
  Inconsistent Keys: The keys defined for the entities may not be consistent or properly defined, leading to issues in establishing relationships.
  Model 
  Configuration Issues: