Random crashing Sponge server

When trying to use a rotating block with custom model, the server produces a lot of the same type of errors
Most often, the server shuts down with a fatal error.

Minecraft version 1.12.2 

MCreator 2020.4 w/ 1.12.2 plugin, also tried 2020.2

Full log at https://pastebin.com/sywjdyTQ

/* java.lang.IllegalArgumentException: */

/* Cannot set property */

/* PropertyDirection{name=facing, */

/* clazz=class */

/* net.minecraft.util.EnumFacing, */

/* values=[north, south, west, east]} */

/* to down on block */

/* vorkuutamainnew:zabor, it is not an */

/* allowed value */