<br />
<b>Warning</b>:  require(/opt/drupal/web/autoload.php): Failed to open stream: Permission denied in <b>/opt/drupal/web/index.php</b> on line <b>16</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Failed opening required 'autoload.php' (include_path='/opt/drupal/vendor/pear/archive_tar:/opt/drupal/vendor/pear/console_getopt:/opt/drupal/vendor/pear/pear-core-minimal/src:/opt/drupal/vendor/pear/pear_exception:.:/usr/local/lib/php') in /opt/drupal/web/index.php:16
Stack trace:
#0 /opt/drupal/vendor/autoload_runtime.php(27): {closure:/opt/drupal/web/index.php:15}()
#1 /opt/drupal/web/autoload_runtime.php(22): require('/opt/drupal/ven...')
#2 /opt/drupal/web/index.php(13): require_once('/opt/drupal/web...')
#3 {main}
  thrown in <b>/opt/drupal/web/index.php</b> on line <b>16</b><br />