How To Fix /IWBEP/CM_V4_RUNTIME142 - Target operation return is no complex collection

/IWBEP/CM_V4_RUNTIME142 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 142

• Message text: Target operation return is no complex 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.

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_V4_RUNTIME142 - Target operation return is no complex collection ?

  The SAP error message /IWBEP/CM_V4_RUNTIME142 Target operation return is no complex collection typically occurs in the context of SAP Gateway and OData services. This error indicates that the expected return type of an OData operation is not a complex collection, which can lead to issues when the service is trying to process the response.
  
  Cause:
  
  Incorrect Return Type: The OData service is expected to return a complex collection (like an array of objects), but it is returning a different type (like a single object or a primitive type).
  Service Definition Issues: The service definition in the OData model may not be correctly defined to handle the expected return type.
  Implementation Errors: The implementation of the service method may not be returning the correct data structure as defined in the OData metadata.
  
  
  Solution:
  
  
  Check the OData Service Definition:
  
  Review the service definition in the SAP Gateway Service Builder (transaction code SEGW).
  Ensure that the entity set is defined correctly