Server Migration has thrown up warnings .

Hi, My server has recently been migrated. All seems well except for a couple of warnings on a Perch-backend website. When visiting the site, all content is displayed correctly but two lines of warning are visible at the top of each page.

Warning: include(/home/[user]/public_html/perch/addons/apps/perch_upgrade/runtime.php): failed to open stream: No such file or directory in /home/[user]/public_html/perch/core/inc/apps.php on line 21

Warning: include(): Failed opening '/home/[user]/public_html/perch/addons/apps/perch_upgrade/runtime.php' for inclusion (include_path='.:/opt/cpanel/ea-php56/root/usr/share/pear') in /home/[user]/public_html/perch/core/inc/apps.php on line 21

The Perch backend itself doesn't show any errors, nor is anything flagged up in the diagnostics. If anyone can point me in the right direction to get rid of these 'warning' messages, it'd be much appreciated. Diagnostic report follows...

HEALTH CHECK

Perch is up to date PHP 5.6.30 is up to date MySQL 5.5.5-10.0.29-MariaDB is up to date Image processing available SUMMARY INFORMATION

Perch: 2.8.34, PHP: 5.6.30, MySQL: mysqlnd 5.0.11-dev - 20120503 - $Id: 76b08b24596e12d4553bd41fc93cccd5bac2fe7a $, with PDO Server OS: Linux, litespeed Installed apps: content (2.8.34), assets (2.8.34), categories (2.8.34), perch_gallery (2.8.6), perch_upgrade (1.6) App runtimes: <?php $apps_list = array( 'content', 'categories', 'perch_gallery', 'perch_upgrade', ); PERCH_LOGINPATH: /perch PERCH_PATH: /home/kthlwe/public_html/perch PERCH_CORE: /home/kthlwe/public_html/perch/core PERCH_RESFILEPATH: /home/kthlwe/public_html/perch/resources Image manipulation: GD PHP limits: Max upload 10M, Max POST 8M, Memory: 128M, Total max file upload: 8M F1: 6a33f95eca3667f9e0c39bf5ca2980fe Resource folder writeable: Yes HTTP_HOST: kath-lowe.co.uk DOCUMENT_ROOT: /home/kthlwe/public_html REQUEST_URI: /perch/core/settings/diagnostics/ SCRIPT_NAME: /perch/core/settings/diagnostics/index.php