hi, so im using the default GUI with the addons Recount DPS Meter + Easy Loot

on some fights (for example it happened on Festergut but not on Marrowgar), i get this locked target frame as shown in the picture
its right on top of the debuff area and i cant see the debuffs
when i right click it it gives the options Set Focus and Cancel
the normal target frame still exists separately so i have two frames for the same target as if i had clicked Set Focus (though i havent)
how to get rid of this?

this is the top+right area of my screen