Problem with perfect loop

[ПравдоСлавъ]

I have a problem with editing looped gif.

When importing looped Gif into the Premier, a delay appears between the beginning and the end of the animation, disrupting the perfect loop. Why it happens?

This original gif:

And this is rendered by Premier

https://isness.ooo/themes/iparus_bodhi/assets/video/Loop/Nature_061.mp4

Help please.

[Warren Heaton]

Do you happen to have the original file that was used to create the GIF in the first place?

[ПравдоСлавъ]

No, I don't have it.