How To Fix /ISDFPS/SYNC_MONITOR021 - Error while setting online mode in &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/SYNC_MONITOR -

• Message number: 021

• Message text: Error while setting online mode in &1

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/SYNC_MONITOR021 - Error while setting online mode in &1 ?

  The SAP error message /ISDFPS/SYNC_MONITOR021 typically indicates an issue related to the synchronization monitor in the SAP system, particularly when trying to set the online mode for a specific process or application. This error can arise due to various reasons, including configuration issues, system inconsistencies, or problems with the underlying data.
  Cause
  
  Configuration Issues: There may be incorrect settings in the synchronization monitor configuration.
  Data Inconsistencies: The data being processed may have inconsistencies or errors that prevent the system from switching to online mode.
  System Performance: If the system is under heavy load or if there are performance issues, it may not be able to switch modes effectively.
  Authorization Issues: The user may not have the necessary authorizations to perform the action.
  Technical Errors: There could be bugs or technical issues in the SAP system that are causing the error.
  
  Solution
  
  Check Configuration: Review the configuration settings for the synchronization monitor to ensure they are correct. This includes checking any relevant parameters or settings in the SAP system.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors. This may involve checking logs or running data consistency checks.
  System Performance: Monitor the system performance and check for any bottlenecks. If the system is under heavy load, consider optimizing performance or scheduling the operation during off-peak hours.
  User Authorizations: Ensure that the user attempting to set the online mode has the necessary authorizations. You may need to consult with your SAP security team to verify this.
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. Sometimes, applying a patch or update can resolve underlying issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SLG1 (Application Log) or SM21 (System Log).
  Documentation: Review SAP documentation related to the synchronization monitor and online mode settings for additional insights.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.