Version Info

• Minecraft,1.16.5
• Moving Elevators, | movingelevators-1.3.3-mc1.16

Are you using OptiFine?: yes

Description of the Bug
when clicking to go up/down phase through floor

Steps to Reproduce
im just using it tbh

Screenshots
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This is indeed caused by OptiFine as it somehow changes the player's collision handling.
OptiFine is closed source, thus I cannot know how it changes collision handling and there is no way for me to fix this.

Feel free to report the issue to OptiFine.