1.20.1 Log spam with Elytra Slot mod

[MaxWasUnavailable]

Spams the logs referring to the slot being an unknown item / unknown weight.

[MaxWasUnavailable]

Also applies to gold backpacks:

Attempted to calculate weight of non armor item: item.sophisticatedbackpacks.gold_backpack

[wldtb]

look https://github.com/wldtb/Feathers

[MaxWasUnavailable]

Removing the warning doesn't really seem like the proper way to fix this tbh.

[Krampus69]

Hello,
it's been almost a year and elytras still spam logs for no reason.

latest.log
Is it going to be fixed or is the support on this mod over ?