How enable "Explain Execution Plan"?

Hi,
How to enable the "Explain Execution Plan"(Ctrl+Shift+E)?
THe "Explain Plan" tab displays the message "No connection or data source doesn´t support execution plan".
I´m using DBeaver Community Edition 3.5.9 in Windows with DB2 Mainframe.
Thanks
How to enable the "Explain Execution Plan"(Ctrl+Shift+E)?
THe "Explain Plan" tab displays the message "No connection or data source doesn´t support execution plan".
I´m using DBeaver Community Edition 3.5.9 in Windows with DB2 Mainframe.
Thanks