help in removal if -lavfopt

I have tried to upgrade ffmpeg but the upload script gives the following error when I tried to upload the clip.

-----------------------------------------
n lavfopts: Unknown suboption i_certify_that_my_video_stream_does_not_use_b_fram es
Error parsing option on the command line: -lavfopt
-----------------------------------------

Please remove the -lavfopt variable from your script and try again

these are excerpt from my server management company anybody are nice enough to help me find where this -lavfopt is located so that I can kill it!?

or what is this -lavfopt..

help us please

thanks