[Anti-Cheat Report] Random kicking?

In Game Name:

Pigeonbread​

Short title for your report:

Random kicking?​

What client are you using:

OptiFine_1.17.1_HD_U_G9.jar​

Which server were you on:

Main​

Which world were you in:

Rising​

What time did the issues and/or kick take place:

9:40 AM (PST)​

Ping on kick:

0ms​

Code/Codes received:

Clip, Fly​

Description of the issue:

I'm running and jumping around looking for a place to build and keep getting kicked.​

Reproduction instructions:

Idk what to put here. I'm just trying to play.​

How many times did you recreate this:

4 times​

Video evidence:

​

 

Update: It has been 10 minutes and it happens every time i walk down a mountain. It's happened no less than 10 times It's unplayable at this point. 0ms, Fly/Clip/Speed.
I only have optifine on. idk what else to do.