Error - Loading invalid class on Servers

[wise-io]

Description

With Sable installed, errors are generated on server startup for:

• Attempting to load an invalid class for servers (client-side mixin configured as common mixin)
• Unable to apply physics properties to create:flywheel (if create is not installed)

See relevant reply from Neoforge team here.

Game Log

https://mclo.gs/BMRFr5K

[wise-io]

Issue #1104 appears to be a duplicate of this issue.