How To Fix CL283 - Class type is not defined for setting up tables

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 283

• Message text: Class type is not defined for setting up tables

What causes this issue?

The class type is not defined for table generation.

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?

In Customizing, set the <ZH>Generated tables</> indicator for class
type &V1& by choosing <DS:TRAN.O1CL>Maintain Object Types and Class
Types</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL283 - Class type is not defined for setting up tables ?

  The SAP error message CL283, which states "Class type is not defined for setting up tables," typically occurs in the context of class definitions in the ABAP Dictionary or when working with class-based programming in SAP. This error indicates that the system is unable to find a class type that is required for the operation you are trying to perform, often related to the setup of internal tables or data structures.
  Causes:
  
  Missing Class Definition: The class type you are trying to use has not been defined in the system. This could be due to a missing or incorrectly named class.
  Incorrect Class Type: The class type specified in your code or configuration does not match any existing class in the system.
  Transport Issues: If the class was recently transported from another system, it may not have been imported correctly, leading to missing definitions.
  Namespace Issues: If you are using a custom class, ensure that it is in the correct namespace and that the namespace is properly defined.
  
  Solutions:
  
  Check Class Definition: Verify that the class you are trying to use is defined in the system. You can do this by navigating to the Class Builder (transaction code SE24) and searching for the class.
  Correct Class Type: Ensure that the class type you are referencing in your code is correct. Check for typos or incorrect naming conventions.
  Transport Check: If the class was recently transported, check the transport logs to ensure that it was imported successfully. You may need to re-import the transport request.
  Namespace Verification: If you are using a custom class, ensure that it is in the correct namespace and that the namespace is properly configured in your system.
  Recompile: Sometimes recompiling the class or the program that is using the class can resolve the issue. You can do this in the ABAP Editor (transaction code SE38) by activating the program.
  
  Related Information:
  
  ABAP Class Documentation: Familiarize yourself with the ABAP Object-Oriented Programming concepts, especially how classes and interfaces are defined and used.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Debugging: If the error persists, consider using the debugger to trace where the error occurs in your code. This can provide insights into what might be going wrong.
  
  If you continue to experience issues after trying these solutions, it may be helpful to consult with your SAP Basis or development team for further assistance.