How To Fix /IWBEP/CM_V4_RUNTIME130 - Target property '&1' must not be a collection

/IWBEP/CM_V4_RUNTIME130 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 130

• Message text: Target property '&1' must not be a collection

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME130 - Target property '&1' must not be a collection ?

  The SAP error message /IWBEP/CM_V4_RUNTIME130 Target property '&1' must not be a collection typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the way the OData service is trying to map or handle a property that is expected to be a single value but is being treated as a collection (array or list).
  
  Cause:
  
  Incorrect Data Model Definition: The OData service is trying to map a property that is defined as a collection in the data model, but the target property in the entity is defined as a single value.
  Service Implementation Error: The implementation of the service might be incorrectly returning a collection for a property that should only return a single value.
  Metadata Mismatch: There could be a mismatch between the metadata definition of the OData service and the actual data being returned or expected.
  
  
  Solution:
  
  Check the Data Model: Review the data