Reported on Discord.

Relevant code snippet: https://github.com/VsnGamer/ElevatorMod/blob/c427d0629ba6ec1f15de2cb0ce870a3b321e840f/src/main/java/xyz/vsngamer/elevatorid/client/ClientRegistry.java#L44-L46

This probably just requires adding elevatorid to the list of mods to enable iteration for.