Using Sage on vanilla WP, you'll receive the following notice due to Filesystem::closest returning null because there's no .env to be found.
Deprecated: is_file(): Passing null to parameter #1 ($filename) of type string is deprecated in /vendor/roots/acorn/src/Roots/Acorn/Bootloader.php on line 376
Using Sage on vanilla WP, you'll receive the following notice due to
Filesystem::closestreturningnullbecause there's no.envto be found.