How To Fix APC_MESSAGE004 - Class &1 in application &2 is inactive

SAP Error Message - Details

• Message type: E = Error

• Message class: APC_MESSAGE - Message class for ABAP Channels (ATC Check only)

• Message number: 004

• Message text: Class &1 in application &2 is inactive

What causes this issue?

Class <(>&<)>1 in application <(>&<)>2 is inactive.

System Response

Class <(>&<)>1 in application <(>&<)>2 is inactive.

How to fix this error?

Resolve the problem in class builder (transaction SE24) for the used
class name.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APC_MESSAGE004 - Class &1 in application &2 is inactive ?

  The SAP error message APC_MESSAGE004 indicates that a specific class in a particular application is inactive. This error typically arises in the context of the Application Performance Optimization (APO) or similar modules where certain classes or components need to be active for the application to function correctly.
  Cause:
  
  Inactive Class: The class specified in the error message is not activated in the system. This could be due to a configuration issue or an oversight during system setup.
  Transport Issues: If the class was recently transported from another system, it may not have been activated properly.
  Authorization Issues: The user may not have the necessary authorizations to activate the class or to access the application.
  System Configuration: The application may not be configured correctly, leading to the class being marked as inactive.
  
  Solution:
  
  
  Activate the Class:
  
  Go to the relevant transaction (e.g., SE80 for Object Navigator or SE11 for Data Dictionary).
  Locate the class specified in the error message.
  Activate the class if it is found to be inactive.
  
  
  
  Check Transport Requests:
  
  If the class was transported, ensure that the transport request was completed successfully and that all necessary objects were included.
  Re-transport the class if necessary.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to activate classes and access the application.
  Check the user roles and profiles to confirm that they include the required permissions.
  
  
  
  System Configuration:
  
  Review the configuration settings for the application to ensure that all necessary components are active.
  Consult the application documentation or SAP notes for any specific configuration steps that may have been missed.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE11 (Data Dictionary), SE37 (Function Module), and SE24 (Class Builder) can be useful for checking and activating classes.
  SAP Documentation: Refer to the official SAP documentation for the specific application module you are working with for more detailed guidance.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to your SAP Basis or technical support team for further assistance.