Without colorization lossless export takes less than 15 seconds, and video looks natural.
With colorization, video is poor - apparently intended - but it won't export. (The TEMPERATURE effect is set to zero, so does nothing.)
It appears that the file is non-standard - perhaps because it has no audio track.
Tested in another editor it loads and exports with jerky colorbands (no effects).
Here's what you can do...
Load the project. Right-click the clip in the bin and Replace Clip File with the one in the PM. It's been re-encoded. Save AS, giving the project a new name.
Export should take about thirty-minutes.
Did you mean to specify STRETCH export mode? Try LETTERBOX instead.
For more help click the ? at the top-right of the VP window. Use <ctrl-F> to bring up a FIND box.