メッセージ
yuta ~ vagrant_study vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
There are errors in the configuration of this machine. Please fix
the following errors and try again:
vm:
* The host path of the shared folder is not supported from WSL. Host
path of the shared folder must be located on a file system with
DrvFs type. Host path: .
対処方法
以下を設定する
config.vm.synced_folder '.', '/vagrant', disabled: true
参考