If I move ten my character shack

Hello,
If I Move in this two directions (forward, Backward) then my character shaking and I change camera location (Up,Down Only) then my character shaking so fast ,If I walk any other direction that work fine

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How can we possibly guess the way it’s been scripted… You will need to explain & show how movement is applied.

its either cycling back and forth through animations, or the variable being used for your blendspace is constantly being reset or set to wrong value, or the character’s mesh is colliding through the floor, theres no way to know unless you post pictures of the blueprints