How To Fix CL522 - No class types defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CL - Classification

• Message number: 522

• Message text: No class types defined

What causes this issue?

You want to set a <DS:GLOS.class_type>class type</>, but no class types
are defined. At least one class type must exist for each classifiable
object before it can be classified. You define Class types in
Customizing for the Classification System.

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?

Have the class type defined by an authorized person in Customizing for
<ZH>Classification</>. Detailed information on how to define class
types can be found in Customizing for <ZH>Classification</>:
<DS:SIMG.SIMG_CFMENUO000O1CL>Proceed</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL522 - No class types defined ?

  The SAP error message CL522: No class types defined typically occurs when you are trying to create or work with a class in the ABAP Object-Oriented programming environment, but the system cannot find any class types defined in the relevant context. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Missing Class Type Definition: The class type you are trying to use has not been defined in the system.
  Incorrect Namespace: The class might be defined in a different namespace or package that is not accessible in your current context.
  Authorization Issues: You may not have the necessary authorizations to view or access the class types.
  Transport Issues: If the class was recently transported from another system, it may not have been imported correctly.
  Development Environment Issues: There may be issues with the development environment or the transport directory.
  
  Solutions:
  
  Check Class Definitions: Verify that the class type you are trying to use is defined in the system. You can do this by navigating to the Class Builder (transaction SE24) and searching for the class.
  Namespace Verification: Ensure that you are using the correct namespace. If the class is in a different package, you may need to adjust your settings or access rights.
  Authorization Check: Make sure you have the necessary authorizations to access the class. You can check your roles and authorizations with transaction SU53 or by consulting your security team.
  Transport Check: If the class was recently transported, check the transport logs to ensure that it was imported successfully. You can use transaction STMS to review transport requests.
  Development Environment: If you suspect issues with the development environment, try logging out and back in, or check with your system administrator for any ongoing issues.
  
  Related Information:
  
  
  Transaction Codes:
  
  SE24: Class Builder - to create or modify class definitions.
  SE80: Object Navigator - to navigate through various objects including classes.
  SE11: Data Dictionary - to check if any related database objects are missing.
  ST22: Dump Analysis - to check for any runtime errors that might provide more context.
  
  
  
  Documentation: Refer to SAP Help documentation for Object-Oriented ABAP programming for more insights on class definitions and usage.
  
  
  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.
  
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.