ColoredEnderChests not loading on 1.17.1

[TuckerAndrews3]

[20:23:59 INFO]: This Server uses the following setup of Slimefun:
Tuinity git-Tuinity-23 (MC: 1.17.1)
Slimefun DEV - 950 (git 8c0ef8a9)
Metrics-Module #25
Java 16

Installed Addons: (6)
DyedBackpacks vDEV - 16 (git 20d28ccc)
EcoPower vDEV - 4 (git 2a08d31d)
SlimefunNukes v3.2
ColoredEnderChests vDEV - 22 (git 7c92625)
ChestTerminal vDEV - 43 (git 3096bab5)
ExoticGarden vDEV - 76 (git d148a362)

The plugin will simply not load. How can this be fixed?