How To Fix /IWBEP/CM_CP032 - Entity list could not be deserialized

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 032

• Message text: Entity list 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP032 - Entity list could not be deserialized ?

  The SAP error message /IWBEP/CM_CP032 Entity list could not be deserialized typically occurs in the context of SAP Gateway and OData services. This error indicates that there was an issue with deserializing the entity list returned from an OData service. Here are some potential causes, solutions, and related information:
  Causes:
  
  
  Malformed OData Response: The response from the OData service may not be in the expected format, which can happen due to incorrect data types, missing fields, or structural issues in the JSON/XML response.
  
  
  Version Mismatch: There may be a mismatch between the OData service version and the client consuming the service. If the client expects a different version of the service, it may not be able to deserialize the response correctly.
  
  
  Data Type Issues: If the data types in the OData service do not match the expected types in the consuming application, deserialization can fail.
  
  
  Service Configuration Issues: Incorrect configuration of the OData service or the underlying data model can lead to serialization/deserialization issues.
  
  
  Network Issues: Intermittent network issues can lead to incomplete or corrupted responses being received.
  
  
  Solutions:
  
  
  Check OData Service Response: Use tools like Postman or the browser's developer tools to inspect the OData service response. Ensure that the response is well-formed and adheres to the expected OData format.
  
  
  Debugging: If you have access to the backend, debug the OData service to see if it is generating the correct response. Look for any exceptions or errors in the service logic.
  
  
  Update Service Version: Ensure that the client and server are using compatible versions of the OData service. If necessary, update the client or server to match the expected version.
  
  
  Review Data Model: Check the data model definitions in the OData service to ensure that all fields are correctly defined and that data types match the expected types.
  
  
  Error Handling: Implement error handling in the client application to gracefully handle deserialization errors and provide meaningful feedback to users.
  
  
  Check Network Stability: Ensure that there are no network issues affecting the communication between the client and the OData service.
  
  
  Related Information:
  
  SAP Gateway Documentation: Review the official SAP Gateway documentation for guidelines on creating and consuming OData services.
  SAP Community: Check the SAP Community forums for similar issues and solutions shared by other users.
  SAP Notes: Search for relevant SAP Notes that may address known issues related to this error message.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error, including any relevant logs or traces.