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

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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