HELP | Lags and jittery movement in my multiplayer session

Hey there guys ive been working on a multiplayer game and noticed somthing when playing the packged game in a session some times the movement would jitter and glitch and the camera rotation would snap to random locations.

i have a pretty smooth internet connection and both computer are in the same house using the same internet provider (even tho when ive tried it with friends on different internets it still had the same issue)

Would like to know if you have any way to help me fix it, thanks!

This is the weird jittery movement:

The Camera snapping issue:

Thanks!

To be able to help please provide further information such as:
How does your movement work?
Are you using CMC/Mover/custom movement component?
What drives your Camera (Are you using control rotation or anything custom) ?
How do you apply both movement and camera inputs?

this is usually always server corrections. so as MajorT says how are you replicating movement

this one looks more like rotator issues where you might be converting from a float to a rotator?