Can't place Level Trainer in Secret Base

[swiftyxphoenix]

what the title says, i also get this error https://gyazo.com/43b820bd197e6c0393dca24a06b96164 and after that, my game crashes

i cant change my version from 1.1.8 in this bug report, but im using 1.2.2, i also tried re installing

vvvvvvv