How To Fix /IWBEP/CM_CP168 - Instance of a complex type could not be deserialized

/IWBEP/CM_CP168 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 168

• Message text: Instance of a complex type could not be deserialized

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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/IWBEP/CM_CP168 - Details

• The SAP error message /IWBEP/CM_CP168 Instance of a complex type could not be deserialized typically occurs in the context of SAP Gateway and OData services. This error indicates that there is an issue with the deserialization process of a complex type in the OData service response. Here are some potential causes, solutions, and related information:
  Causes:
  
  
  Mismatch in Data Structure: The structure of the data being returned from the backend does not match the expected structure defined in the OData service. This can happen if there are changes in the underlying data model that are not reflected in the OData service.
  
  
  Null or Missing Values: If the backend service returns null or missing values for fields that are expected to be present in the complex type, it can lead to deserialization issues.
  
  
  Incorrect Metadata: The metadata of the OData service may not be correctly defined or may not match the actual data being sent