Hi,
I upgrade kanboard from version 1.2.27 to the version 1.2.37 and i use Customizer plugin to setup custom them but i get this error:
Warning: filemtime(): stat failed for /var/www/html/plugins/Customizer/Assets/css/userthemes/Theme_UBx_Default.css in /var/www/html/app/Helper/AssetHelper.php on line 41
Any one can help please ?