How To Fix CMX_DA101 - Session active, with logging to &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CMX_DA - Manufacturing Data Access: Messages

• Message number: 101

• Message text: Session active, with logging to &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMX_DA101 - Session active, with logging to &1 ?

  The SAP error message CMX_DA101 indicates that there is an active session for a specific user or process, and it is logging to a specified location (denoted by &1). This error typically arises in the context of data archiving or data management processes within SAP systems, particularly when trying to initiate a new session or process while another one is still active.
  Cause:
  
  Active Session: The primary cause of this error is that there is already an active session for the same user or process. This can happen if a previous job or transaction has not completed or has been left running.
  Long-Running Processes: If a data archiving job or similar process is taking longer than expected, it may prevent new sessions from starting.
  System Configuration: There may be system settings that limit the number of concurrent sessions or processes that can be run by a user.
  
  Solution:
  
  Check Active Sessions: Use transaction codes like SM50 (Process Overview) or SM66 (Global Process Overview) to check for any active processes that may be causing the issue. Identify and terminate any unnecessary or stuck sessions.
  Wait for Completion: If the active session is legitimate and necessary, wait for it to complete before attempting to start a new session.
  Review Logs: Check the logs for the active session to understand why it is still running. This can provide insights into whether it is stuck or processing normally.
  Increase Session Limits: If the issue is due to system configuration, consult with your SAP Basis team to see if the limits on concurrent sessions can be adjusted.
  Restart the Process: If you determine that the active session is no longer needed, you may need to terminate it and then restart your process.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring) to check for background jobs that may be related to the error.
  SAP Notes: Check SAP Notes for any known issues or patches related to the CMX_DA101 error. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP documentation related to data archiving and session management for best practices and troubleshooting steps.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.