Recover/Fix Snagit 00:00 duration video after crash when stopped ...?

After 1 hr recording,when i pressed stop, Application Hanged and crashed, and its not showing the recorded session, nothing is in Autosave folder also, Finally i found in ~/Library/Group Containers/7TQL462TU8.com.techsmith.snagit/Snagit 2019/Temporary/ . (Thanks to@Luke Griffioen) , I am unable to play this file, it show 00:00 Duration and the file size is 1.08 GB,

How to fix this video ...?

Thanks,
Kaleel