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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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