How To Fix CL672 - You cannot create an additional class type for object table "&"

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 672

• Message text: You cannot create an additional class type for object table "&"

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL672 - You cannot create an additional class type for object table "&" ?

  The SAP error message CL672 indicates that you are trying to create an additional class type for an object table that does not allow it. This typically occurs in the context of the Class Builder (transaction code SE24) or when working with object-oriented programming in ABAP.
  Cause:
  The error occurs because:
  
  Object Table Limitation: The object table you are trying to modify or extend does not support the creation of additional class types. This is often due to the way the object table is defined in the system.
  System Restrictions: Certain standard SAP object tables are designed to have a fixed structure and do not allow for additional class types to be created.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to create or modify class types for the specified object table.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Object Table Definition: Verify the definition of the object table you are working with. Ensure that it is designed to allow additional class types. You can do this by checking the documentation or the technical settings of the object table.
  
  
  Use Existing Class Types: If the object table does not allow for additional class types, consider using the existing class types that are already defined for that object table.
  
  
  Review Authorizations: Ensure that you have the necessary authorizations to create or modify class types. You may need to consult with your SAP security team to verify your permissions.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that might address this issue. Sometimes, there are known issues or limitations documented by SAP that can provide additional context or solutions.
  
  
  Alternative Approaches: If you need to extend functionality, consider using other methods such as creating a new class that inherits from an existing class or using composition instead of inheritance.
  
  
  Related Information:
  
  Transaction Codes: SE24 (Class Builder), SE80 (Object Navigator)
  Documentation: SAP Help Portal and SAP Community for best practices and guidelines on object-oriented programming in ABAP.
  SAP Notes: Search for specific SAP Notes related to class types and object tables for any updates or patches that may resolve the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support or consult with an experienced SAP ABAP developer for further assistance.