G4 Camera Problem! (UHD)

Hi all. Today i recorded a video (1minute long) with uhd settings. Video lags after 5-6 second and this message pops up: "unsupported file type". Video is important for me. Tried some of apps like vlc and mxplayer but the result are same. Stock rom not rooted. Please help..

Sent from my LG-H815 using XDA-Developers mobile app