How To Fix 00390 - Unable to schedule session &.

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 390

• Message text: Unable to schedule session &.

What causes this issue?

An error occurred when scheduling a session to be processed in the
background.

System Response

The session was not scheduled. A system log entry was created.

How to fix this error?

Check the system log to see which error occurred.
1. Does the user have the necessary authorization to schedule
background jobs?
2. Is the server you specified active?
3. Is any 'Batch work process' running on the application server?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 00390 - Unable to schedule session &. ?

  The SAP error message "00390 Unable to schedule session" typically indicates that there is an issue with the background job scheduling in the SAP system. This error can occur for various reasons, and understanding the cause is essential for finding a solution. Here are some common causes, potential solutions, and related information:
  Causes:
  
  
  Resource Limitations: The system may have reached its limit for background jobs or sessions. This can happen if there are too many jobs scheduled at the same time or if the system resources (CPU, memory) are constrained.
  
  
  Job Scheduling Configuration: There may be issues with the configuration of the job scheduling parameters in the SAP system.
  
  
  User Authorizations: The user attempting to schedule the job may not have the necessary authorizations to do so.
  
  
  System Load: High system load or performance issues can prevent new jobs from being scheduled.
  
  
  Database Locks: If there are locks on the database that prevent the job from being scheduled, this error may occur.
  
  
  Solutions:
  
  
  Check Background Job Overview: Use transaction code SM37 to check the status of background jobs. Look for any jobs that are currently running or have failed, and analyze their logs for more information.
  
  
  Increase Resource Limits: If the system has reached its limit for background jobs, consider increasing the limits in the system configuration. This may involve adjusting parameters in the instance profile.
  
  
  Review Job Scheduling Configuration: Check the configuration settings for job scheduling in transaction SM36 and ensure that they are set correctly.
  
  
  User Authorizations: Verify that the user has the necessary authorizations to schedule background jobs. This can be checked in transaction SU01.
  
  
  Monitor System Performance: Use transaction ST03N or ST06 to monitor system performance and identify any bottlenecks. If the system is under heavy load, consider rescheduling jobs for a less busy time.
  
  
  Check for Database Locks: Use transaction SM12 to check for any locks on the database that may be preventing job scheduling. If locks are found, investigate and resolve them.
  
  
  Restart the Background Processing: In some cases, restarting the background processing can help resolve temporary issues. This can be done using transaction SM50 or SM66.
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. SAP Notes often provide detailed troubleshooting steps and solutions.
  System Logs: Review system logs (transaction SM21) for any related error messages or warnings that could provide additional context for the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.