@EvilDragon
It is a loop.
If you run the action Set media item to source length, you will get another (and smaller) length.
It is a tiny loop.
@vijay
Just paste the link to your project zip hosted on third party platform.
It can be file + OS specicific.
Also you have to see if you can replicate i
n a fresh portable last version of REAPER to be sure it is not a user preference thing.