Describe the Bug

any contraption crashes my game ... with the carriage and minecards... though with the minecards i noticed that when i had oly chassies on it it wored fine... "i see that i am not the first one"

Reproduction Steps

1.make a contraption with (saw or harverster)
2.press button to activate minecard or carriage
3.game freezes followed by autosave and shutdown
...

Expected Result

that it would work

Screenshots and Videos

No response

Crash Report or Log

No response

Operating System

windows 10

Mod Version

0.4.0

Minecraft Version

1.18

Forge Version

39.0.9

Other Mods

jei
MysticalAgradittions
simplestoragenetworks
storagedrawers
cucumber
(all 1.18+)

Additional Context

"i also want to note that it was on both a syblock map and normal and that i addad MysticalAgraddistions later but that the bug appeard before it

You can't get any help for this issue unless you send a crash report. Without that, no one can be sure what's causing your crash.