when i change transform in one frame it changed in all frames in maya

[Anonymous]

i want create animate with character controller 

but when click on a frame and change translation on this frame it will change on all fame even prev keys that set before it.

also return this error

// Warning: file: C:/Program Files/Autodesk/Maya2019/scripts/startup/initHUDScriptsEvaluationManager.mel line 121: Error detected in Parallel evaluation, reverting to Serial evaluation mode.

i dont know this error related to my problem or not

please help me thanks

[mcw0]

First thing I would do is to ignore the new evaluation methods and stick with the tried and true DG mode.  You can find this under your Preferences - Settings - Animation.  See if that fixes your issues.