Tried installing this now on latest manual install of 4.4.4 and got the following error:
HP Fatal error: Uncaught Error: Interface 'Mautic\CoreBundle\Entity\UpsertInterface' not found in /var/www/ams/plugins/CustomObjectsBundle/Entity/CustomItem.php:45
Stack trace:
#0 /var/www/ams/vendor/composer/ClassLoader.php(571): include()
#1 /var/www/ams/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile()
#2 [internal function]: Composer\Autoload\ClassLoader->loadClass()
#3 [internal function]: spl_autoload_call()
#4 /var/www/ams/app/bundles/CoreBundle/DependencyInjection/Builder/Metadata/EntityMetadata.php(55): ReflectionClass->__construct()
#5 /var/www/ams/app/bundles/CoreBundle/DependencyInjection/Builder/BundleMetadataBuilder.php(164): Mautic\CoreBundle\DependencyInjection\Builder\Metadata\EntityMetadata->build()
#6 /var/www/ams/app/bundles/CoreBundle/DependencyInjection/Builder/BundleMetadataBuilder.php(158): Mautic\CoreBundle\DependencyInjection\Builder\BundleMetadataBuilder->buildMappings()
#7 /var/www/ams/app/bundles/CoreBundle/DependencyInjection/Builder/BundleMetadataBuilder.php(116): Mautic\Cor in /var/www/ams/plugins/CustomObjectsBundle/Entity/CustomItem.php on line 45
Any ideas?