How To Fix /MOC/CONFIG004 - No active system connection for activity categories available

SAP Error Message - Details

• Message type: E = Error

• Message class: /MOC/CONFIG -

• Message number: 004

• Message text: No active system connection for activity categories available

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /MOC/CONFIG004 - No active system connection for activity categories available ?

  The SAP error message /MOC/CONFIG004 No active system connection for activity categories available typically indicates that the system is unable to find an active connection to the necessary backend system for the specified activity categories. This can occur in various scenarios, particularly when working with SAP's Project Management or similar modules.
  Causes:
  
  Inactive or Missing System Connection: The system connection required for the activity categories may not be set up or is currently inactive.
  Configuration Issues: There may be issues in the configuration settings related to the system connections or activity categories.
  Authorization Issues: The user may not have the necessary authorizations to access the required system connections.
  Network Issues: There could be network connectivity problems preventing the system from accessing the backend.
  Transport Issues: If the configuration was recently transported from another system, it may not have been set up correctly in the target system.
  
  Solutions:
  
  
  Check System Connections:
  
  Go to transaction code SM59 to check the RFC connections. Ensure that the relevant connections are active and properly configured.
  Test the connection to ensure it is working correctly.
  
  
  
  Review Configuration:
  
  Check the configuration settings for activity categories in the relevant customizing transactions (e.g., SPRO).
  Ensure that the activity categories are correctly defined and linked to the appropriate system connections.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to access the activity categories and the system connections.
  Check roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing access to the backend system.
  Check firewall settings or any other network configurations that might block the connection.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, check the transport logs for any errors.
  Ensure that all necessary objects and configurations were included in the transport.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes and documentation for any specific guidance related to the error message. You can search for the error message in the SAP Support Portal for additional insights.
  
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Check system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.