Unable to record video on IOS 12.3.1

[guptapunit]

Hi i have trouble in generating the videos for ios and here is the stacktrace
Flick version: 0.4.6

flick video -a stop -p ios -n my-videoios

Stopping Recorder!!!
Saving to /Users/punitgupta/my-videoios.mp4
error: No such file or directory @ rb_file_s_rename - (/Users/punitgupta/.flick/6a6786291d771283cf26b35c5ac26f5976f24803/my-videoios.mp4, /Users/punitgupta/my-videoios.mp4). Use --trace to view backtrace

After doing a back trace

lick video -a stop -p ios -n my-videoios --trace

Stopping Recorder!!!
Saving to /Users/punitgupta/my-videoios.mp4
/Library/Ruby/Gems/2.3.0/gems/flick-0.4.6/lib/flick/video.rb:142:in `rename': No such file or directory @ rb_file_s_rename - (/Users/punitgupta/.flick/6a6786291d771283cf26b35c5ac26f5976f24803/my-videoios.mp4, /Users/punitgupta/my-videoios.mp4) (Errno::ENOENT)
	from /Library/Ruby/Gems/2.3.0/gems/flick-0.4.6/lib/flick/video.rb:142:in `mp4'
	from /Library/Ruby/Gems/2.3.0/gems/flick-0.4.6/lib/flick/video.rb:132:in `stop_screenshot_recording'
	from /Library/Ruby/Gems/2.3.0/gems/flick-0.4.6/lib/flick/video.rb:59:in `stop'
	from /Library/Ruby/Gems/2.3.0/gems/flick-0.4.6/lib/flick/video.rb:34:in `run'
	from /Library/Ruby/Gems/2.3.0/gems/flick-0.4.6/bin/flick:34:in `block (2 levels) in <top (required)>'
	from /Library/Ruby/Gems/2.3.0/gems/commander-4.4.7/lib/commander/command.rb:182:in `call'
	from /Library/Ruby/Gems/2.3.0/gems/commander-4.4.7/lib/commander/command.rb:153:in `run'
	from /Library/Ruby/Gems/2.3.0/gems/commander-4.4.7/lib/commander/runner.rb:446:in `run_active_command'
	from /Library/Ruby/Gems/2.3.0/gems/commander-4.4.7/lib/commander/runner.rb:68:in `run!'
	from /Library/Ruby/Gems/2.3.0/gems/commander-4.4.7/lib/commander/delegates.rb:15:in `run!'
	from /Library/Ruby/Gems/2.3.0/gems/commander-4.4.7/lib/commander/import.rb:5:in `block in <top (required)>'