How To Fix CMT2123 - Structure contains serialized objects and cannot be copied

CMT2123 - Overview

• Message type: E = Error

• Message class: CMT2 - Add-On Version: Message Class in CM Environment

• Message number: 123

• Message text: Structure contains serialized objects and cannot be copied

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 CMT2123 - Structure contains serialized objects and cannot be copied ?

  The SAP error message CMT2123, which states "Structure contains serialized objects and cannot be copied," typically occurs when you are trying to copy a structure that includes serialized objects. Serialized objects are those that have been converted into a format that can be easily stored or transmitted and then reconstructed later. In SAP, this often relates to complex data types or structures that include references to other objects.
  
  Cause:
  
  Serialized Objects: The structure you are trying to copy contains fields that are serialized, which means they cannot be duplicated directly.
  Data Type Restrictions: Certain data types in ABAP (Advanced Business Application Programming) cannot be copied if they are serialized, as they may contain references to other objects or complex data types.
  Incompatibility: The copying operation may not support the serialization format of the objects within the structure.
  
  
  Solution:
  
  Avoid Copying Serialized Structures: Instead of copying the entire structure, consider creating a new structure that only includes