How To Fix /IWBEP/CM_V4_MED194 - Target multiplicity '&1' is not allowed for navigation property '&2'

/IWBEP/CM_V4_MED194 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 194

• Message text: Target multiplicity '&1' is not allowed for navigation property '&2'

Self-Explanatory Message

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/IWBEP/CM_V4_MED194 - Details

• The SAP error message /IWBEP/CM_V4_MED194 indicates that there is an issue with the target multiplicity of a navigation property in an OData service. This error typically arises when the multiplicity defined in the OData model does not match the actual data model or the expected relationships between entities.
  
  Cause:
  
  Multiplicity Mismatch: The error occurs when the navigation property is defined with a multiplicity that does not align with the underlying data model. For example, if a navigation property is defined as a one-to-many relationship but the actual data indicates a one-to-one relationship, this error will be triggered.
  Incorrect Model Definition: The OData service might have been incorrectly defined in the metadata, leading to inconsistencies between the service definition and the actual data structure.
  Data Inconsistency: The data in the database might not conform to the expected relationships defined in the OData model.
  
  
  Solution:
  
  Check the OData Model: Review the OData service definition in the SAP Gateway