Playing tech reborn for 1.20.1 on a fabric server, I have tested quantum armor flight in both LAN and single player worlds but no matter if its a custom server hosted on my pc with a server file or a paid for one (im playing on a paid server with my friends) the flight takes a solid minute to activate, it does one of these:
lets you hover slightly by i assume turning your flight on and off because the screen becomes buggy as if the FOV keeps being changed
lets you hover a bit "better" but the FOV changing effect becomes "faster"
actually lets you fly
now, it is random on how many times i have to press the space bar to actually fly, sometimes its first try and sometimes i have to struggle for 2 minutes to have flight properly activate, i have looked through configs and such to see if anything could be causing this but i have not gotten anywhere.
thanks for any help in advance!

Do you have other mods installed besides TR?

So it's a LAN with just a TR, right?

Do you have other mods installed besides TR?

Yes I do, I believe there were nearly 100 mods? But the thing is that the mods don't change, there's no mods that are only server side or only client side, so I don't see why they would matter when the bug persists only on servers, I even tried with just TR and it still kept happening.

So it's a LAN with just a TR, right?

Nah it's a paid server where the bug happens, LAN and single player is fine tho

Then in could be something on that server which mess with either this:

or that:

And both of these are vanilla methods :(

This is an issue with playerAbillityLib. In 1.19 and previously, PAL would just spam the console and not break flight. Now it 1.20.1 it breaks TR Quantum Armor Flight, while also spamming the console infinitely.

This may be related; I noticed at some point our Fabric server started spitting out this exception over and over again. Server did not crash and functionality was not notably affected, yet it keeps going permanently.

Can this be resolved at some point? It makes ALL kinds of logs unreadable and bloats log size infinitely.

Today, I (yet again) was facing a 1GB log file that consists mostly of this trash message.
You should know just as well as me that especially printing messages takes up quite a big chunk of performance, and this bug has a noticeable effect on performance on a larger scale.

Over 8 million lines of log file, just for some useless, nonsense warning.

Please resolve this. Otherwise our last resort will be to banish TR from our modpacks.

Someone fixed this for them. This mod adds Player Abillity Lib support to TR
https://www.curseforge.com/minecraft/mc-mods/techreborn-player-ability-lib-compat/files/5275410

Thank you for pointing that out, @Trent2087. I will look into this.