could not be opened in append mode: failed to open stream: No such file or directory fix issue in laravel code example

Example 1: storage/logs/laravel.log" could not be opened: failed to open stream: Permission denied

$ chmod -R 775 storage bootstrap/cache

Example 2: could not be opened in append mode failed to open stream permission denied

Reference link if giving a permission doesn't solved your issue
https://www.digitalocean.com/community/questions/the-stream-or-file-var-www-html-myscipt-storage-logs-laravel-log-could-not-be-opened-failed-to-open-stream-permission-denied