How To Fix CL804 - Class type & is internal - cannot be maintained with this API

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 804

• Message text: Class type & is internal - cannot be maintained with this API

What causes this issue?

Classes of internal class types cannot be maintained with the API for
maintaining classes.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Certain internal class types have their own APIs for maintaining the
"classes" concerned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL804 - Class type & is internal - cannot be maintained with this API ?

  The SAP error message CL804 indicates that you are trying to maintain a class type that is internal and cannot be modified using the API you are currently using. This typically occurs when you attempt to perform operations on a class type that is not intended for external modification or is restricted in some way.
  Cause:
  
  Internal Class Type: The class type you are trying to access is defined as an internal class type in SAP. Internal class types are usually reserved for system use and are not meant to be modified or maintained through standard APIs.
  Incorrect API Usage: You may be using an API that is not designed to handle the specific class type you are working with.
  Authorization Issues: Sometimes, the error can also arise due to insufficient authorizations to perform the operation on the class type.
  
  Solution:
  
  Check Class Type: Verify the class type you are trying to maintain. You can do this by navigating to the class in the SAP GUI and checking its properties. Ensure that it is not an internal class type.
  Use Appropriate API: If you need to maintain a class, ensure you are using the correct API that supports the class type you are working with. Refer to the SAP documentation for the appropriate methods to use.
  Review Documentation: Consult the SAP documentation or help files related to the specific class type and the API you are using to ensure you are following the correct procedures.
  Authorization Check: Ensure that you have the necessary authorizations to perform the operation. You may need to contact your SAP security administrator to verify your permissions.
  Alternative Approaches: If you need to perform operations on an internal class type, consider whether there are alternative approaches or processes that can achieve your goal without directly modifying the internal class.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific class type or API you are using.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  SAP Documentation: Review the official SAP documentation for the specific module or API you are working with to understand the limitations and intended use cases.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.