How To Fix WB843 - Class &1 not found in class type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WB - Messages for assortment list

• Message number: 843

• Message text: Class &1 not found in class type &2

What causes this issue?

The selected class is not assigned to the chosen class type.

System Response

Processing is canceled by the system.

How to fix this error?

Assign the class to a class type
or
select a class to which the class type has been assigned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB843 - Class &1 not found in class type &2 ?

  The SAP error message WB843 "Class &1 not found in class type &2" typically occurs when you are trying to access or manipulate a class that does not exist in the specified class type. This can happen in various scenarios, such as when working with classification systems, material master data, or when trying to assign characteristics to a class.
  Cause:
  
  Non-Existent Class: The class you are trying to reference (denoted by &1) does not exist in the specified class type (denoted by &2).
  Incorrect Class Type: The class type you are using may not be correctly defined or may not match the class you are trying to access.
  Authorization Issues: You may not have the necessary authorizations to view or access the class.
  Data Inconsistency: There may be inconsistencies in the classification data, such as missing entries or incorrect configurations.
  
  Solution:
  
  
  Check Class Existence:
  
  Use transaction code CL02 (Change Class) or CL03 (Display Class) to verify if the class exists in the specified class type.
  Ensure that the class name and class type are correctly specified.
  
  
  
  Verify Class Type:
  
  Check if the class type is correctly defined in the system. You can do this by navigating to the class type configuration in the customizing settings (transaction code SPRO).
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to access the class. You may need to consult with your SAP security team to verify your permissions.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on the classification data to identify any inconsistencies. This can often be done through specific reports or transactions related to classification.
  
  
  
  Recreate Class:
  
  If the class is indeed missing and you have the necessary information, you may need to recreate the class using transaction CL01 (Create Class).
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional context on the specific class type and its expected classes.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  SPRO: Customizing settings
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the WB843 error and implement a solution to resolve it.