If you look at the following from the trace, it looks to have a valid path.
And if I login to the console I can see that file exists at that path:
ls -la /tmp/Kaltura_Logo_Animation.flv
-rw-r–r-- 1 username group 498318 Mar 26 11:44 /tmp/Kaltura_Logo_Animation.flv
I’ll try doing it as a small shell script and see if I get the same error and report back.