How To Fix J2420 - Class & was not converted

SAP Error Message - Details

• Message type: E = Error

• Message class: J2 - Message Class for Development Class JBT

• Message number: 420

• Message text: Class & was not converted

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message J2420 - Class & was not converted ?

  The SAP error message J2420, which states "Class & was not converted," typically occurs in the context of classification and object management within SAP. This error indicates that the system encountered an issue when trying to convert a class or object type during a classification process.
  Causes:
  
  Missing Class Definition: The class that is being referenced may not exist in the system or may not be properly defined.
  Authorization Issues: The user may not have the necessary authorizations to access or convert the class.
  Data Inconsistencies: There may be inconsistencies or errors in the data related to the class or its attributes.
  System Configuration: The system may not be configured correctly for the classification process, leading to conversion issues.
  Transport Issues: If the class was transported from another system, there may have been issues during the transport process.
  
  Solutions:
  
  Check Class Definition: Verify that the class exists in the system and is correctly defined. You can do this by navigating to the class in the SAP GUI (Transaction CL02 for display).
  Review Authorizations: Ensure that the user has the necessary authorizations to access and convert the class. This can be checked in the user roles and profiles.
  Data Validation: Check for any inconsistencies in the data related to the class. This may involve reviewing the attributes and values assigned to the class.
  System Configuration: Review the configuration settings related to classification in the system. Ensure that all necessary settings are in place for the classification process to function correctly.
  Transport Logs: If the class was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport process.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), and CL03 (Display Class) for managing classes.
  SAP Notes: Search for SAP Notes related to error J2420 in the SAP Support Portal for any specific patches or updates that may address this issue.
  Documentation: Review SAP documentation on classification and object management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.