How To Fix SAPC_MESSAGE028 - Application '&1' is active but class '&2' is not active !

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPC_MESSAGE -

• Message number: 028

• Message text: Application '&1' is active but class '&2' is not active !

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 SAPC_MESSAGE028 - Application '&1' is active but class '&2' is not active ! ?

  The SAP error message SAPC_MESSAGE028 indicates that an application (identified by &1) is currently active, but the associated class (identified by &2) is not active. This situation typically arises in the context of SAP's application development environment, particularly when dealing with custom applications or enhancements.
  Cause:
  
  Inactive Class: The class that is supposed to support the application is not activated. This can happen if the class was recently created or modified and has not been activated yet.
  Transport Issues: If the application and class are part of a transport request, the class may not have been transported correctly to the target system.
  Development Environment: The error may occur in a development environment where changes have been made but not yet activated.
  
  Solution:
  
  
  Activate the Class:
  
  Go to the ABAP Workbench (transaction code SE80 or SE24).
  Locate the class identified by &2.
  Activate the class by selecting it and choosing the "Activate" option (or pressing Ctrl+F3).
  
  
  
  Check Transport Requests:
  
  If the application and class are part of a transport request, ensure that the transport has been successfully imported into the target system.
  Check the transport logs for any errors or issues during the import process.
  
  
  
  Consistency Check:
  
  Perform a consistency check in the system to ensure that all related objects are active and consistent.
  You can use transaction code SE11 or SE80 to check the status of the application and its components.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the application to identify any other underlying issues that may be causing the error.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE80: Object Navigator
  SE24: Class Builder
  SE11: Data Dictionary
  
  
  Documentation: Refer to SAP Help documentation for more details on class activation and application management.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  By following these steps, you should be able to resolve the error and ensure that both the application and its associated class are active and functioning correctly.