NOTE: If you are using UUIDs, see the Advanced section of the docs on UUID steps, before you continue. It explains some changes you may want to make to the migrations and config file before continuing. It also mentions important considerations after extending this package's models for UUID capability.
Clear your config cache. This package requires access to the permission config. Generally it's bad practice to do config-caching in a development environment. If you've been caching configurations locally, clear your config cache with either of these commands: