Incompatibility with MCMT and Fastload

[SrRapero720]

Version Information

canary-mc1.18.2-0.1.8.jar
forge-40.2.2-1.18.2
PURE FORGE

Actual Behavior

Using just MCMT with Canary worlds can be loaded but CAN'T be closed (minecraft frezzes "saving")
Using MCMT, Fastload and Canary worlds CAN'T be loaded, on client get stuck on 100% but in server get stuck on 0%
Removing Canary makes MCMT and Fastload works fine
Removing MCMT makes Fastload and Canary works fine

Expected Behavior

Worlds can be loaded and closed. all works together

Reproduction Steps

1. Install MCMT and Canary (and fastload)
2. Try to open a world
3. Worlds can't be open

Other Information

Tested with LazyDFU and Conectivity (disabling both of then no changes nothing)

Related:

jediminer543/JMT-MCMT#139