The method environment() does not exist on Illuminate\Container\Container. It seems like you code against a sub-type of Illuminate\Container\Container such as Illuminate\Foundation\Application.
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the ignore-call annotation
18
if (!app()->/** @scrutinizer ignore-call */ environment('local') && app()->bound('sentry')) {