Media not importing

When i try to import a large mp4, atleast 50min 432 524KB it gives the error "Failed to generate thumbnail for _MediaNameHere_". It dosent even show loading just after a minute it says that in the corner

Hello Philippe, please send your application log to [email protected]. You can find your application log by clicking on the gear icon in the top right, and then selecting "About Presenter" You can view your application log from there.