Message type: E = Error
Message class:  CNVOM_UI_DEL - Messages for Deletion Monitor 
Message number: 019
Message text: Deletion monitor has already been opened in same session
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.
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The SAP error message CNVOM_UI_DEL019 indicates that the deletion monitor has already been opened in the same session. This typically occurs when a user attempts to open the deletion monitor multiple times within the same SAP GUI session.
Cause: The error is caused by the fact that the deletion monitor is designed to allow only one instance to be open per session. If you try to open it again without closing the existing instance, you will encounter this error.
Solution: To resolve this issue, you can follow these steps: Close the Existing Deletion Monitor: Check if the deletion monitor is already open in your current session. If it is, simply close that window. Use a New Session: If you need to access the deletion monitor again, you can open a new session in SAP. You can do this by: Clicking on the "System" menu in the SAP GUI. Selecting "Create Session" (or using the shortcut Ctrl + N). In the new
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