Ok so when I render video they seem to be stuck like this -
https://youtu.be/yDuAUy_rt04
This mostly happens when I render at high resolutions, like 720p or higher.
Sometimes it happens even when I render at lower resolutions.

For example, I rendered the same file above at 480p and it worked -
https://youtu.be/IUJTgs9zVV8

And sometimes the renders are fine even at 720p -
https://youtu.be/3qIxlLsEBQQ

But everytime I try to render at 1080p it gets stuck, like in the first example.

Here is the .mcpr for the 1st video -
Bedwars Complete Pro.zip

And this is the .mcpr for the other example -
TP Aura Original.zip

Now I've seen the tutorials and I've started the timeline from 0:00 as this is what most people say that I haven't started at that time, check the .mcpr files I'm pretty sure I did everything right.

I'm using minecraft version 1.16.5

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