title: Laravel: array_merge(): Argument #2 is not an array error
body: <p>Exceptions started to appear in all views, and when I try to run <code>composer update</code>, it always ends up with</p>
  
  <pre><code>{"error":{"type":"ErrorException","message":"array_merge(): Argument #2 is not an array","file":"\/laravel\/framework\/src\/Illuminate\/Foundation\/ProviderRepository.php","line":188}}
  </code></pre>