Well, RIDICULOUS is what I did
Trying to let my character moving within matinee, I have inserted some code to level blue print, because I was sure I have to… well it didn’t work, I was distracted and then I have tried something else… after a while I have re-discovered “cinematic mode” settings… well and at this moment I have completly forgotten about my level BP, which I left partly broken…
Well, guess what was inside?
Set View Target with blend
and no view target specified :o
problem solved, maybe it will help somebody else later 