An Error Occured While Playing the Video

Dear team i had installed the latest version of Clip Bucket , am able to upload videos but unable play please solve it

handler_name : VideoHandler
encoder : Lavc57.16.101 mjpeg
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))

Press [q] to stop, [?] for help
frame= 1 fps=0.0 q=5.9 Lsize=N/A time=00:00:01.00 bitrate=N/A
video:26kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown

Response : /home/actormov/public_html/files/thumbs/2020/03/30/15855553559e2e1-768x432-5.jpg
====== End : Thumbs Generation =======

Conversion Completed

Time Took : 3.5548 seconds

conversion_status : failed

Kindly share complete conversion log.