Unfortunately PHPStorm shows errors in one specific file that aren't there.
Sometimes it marks a typo, which is already corrected, as wrong. I always need to invalidate cache and restart.
Build #PS-202.7660.42, built on October 16, 2020
Runtime version: 11.0.8+10-b944.34 x86_64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
GC: ParNew, ConcurrentMarkSweep
Non-Bundled Plugins: mobi.hsz.idea.gitignore, de.espend.idea.laravel, ru.adelf.idea.dotenv