Error writing to amazon s3 cloud

Hi all,
In my laravel 5 application I have amazon s3 cloud usage, like:

use Storage;
…
$s3 = Storage::disk('s3');
$uploaded = $s3->put($upload_path, file_get_contents($this->file), 'public');

PHP:

But but uploading my file I […]

See original post by invalid@example.com (mstdmstd)