How To Fix /IWBEP/CM_V4_RUNTIME100 - Navigation property has wrong multiplicity for the new message target


/IWBEP/CM_V4_RUNTIME100 - Overview

  • Message type: E = Error

  • Message class: /IWBEP/CM_V4_RUNTIME -

  • Message number: 100

  • Message text: Navigation property has wrong multiplicity for the new message target

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  • Self-Explanatory Message

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Smart SAP Assistant

  • What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME100 - Navigation property has wrong multiplicity for the new message target ?
    The SAP error message /IWBEP/CM_V4_RUNTIME100 indicates that there is an issue with the navigation property in an OData service. Specifically, it suggests that the multiplicity of the navigation property does not match the expected configuration for the target entity. This typically occurs when the OData model is not correctly defined, leading to inconsistencies in how entities relate to one another.
    Cause
    The error can arise from several scenarios, including:
    
    Incorrect Model Definition: The navigation property in the OData model may be defined with the wrong multiplicity (e.g., one-to-many vs. many-to-one).
    Mismatch in Entity Relationships: The relationships between entities in the data model may not align with the definitions in the OData service.
    Changes in Data Model: If there have been recent changes to the underlying data model (like adding or modifying relationships), the OData service may not have been updated accordingly.
    Service Metadata Issues: The service metadata might not reflect the current state of the model,

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