Rodion

Hi All , some time ago after openning I get this Fatal error: Uncaught TypeError: Return value of Symfony\Component\Filesystem\Filesystem::toIterable() must be an instance of Symfony\Component\Filesystem\iterable, array returned in /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/lib/vendor/symfony/filesystem/Filesystem.php:729 Stack trace: #0 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/lib/vendor/symfony/filesystem/Filesystem.php(201): Symfony\Component\Filesystem\Filesystem->toIterable('/var/sentora/ho...') #1 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/lib/vendor/symfony/config/ResourceCheckerConfigCache.php(126): Symfony\Component\Filesystem\Filesystem->chmod('/var/sentora/ho...', 438, 18) #2 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/lib/RV/Container.php(116): Symfony\Component\Config\ResourceCheckerConfigCache->write('<?php\n\nuse Symf...', Array) #3 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/lib/RV/Container.php(47): RV\Container->rebuildCachedContainer(Object(Symfony\Component\DependencyInjection\ContainerBuilder), Object(RV\Config\ConfigCache)) #4 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/init.php(65): RV\Container->__construct(Array) #5 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/init.php(143): init() #6 /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/index.php(21): require_once('/var/sentora/ho...') #7 {main} thrown in /var/sentora/hostdata/zadmin/public_html/mydomain.com/server/lib/vendor/symfony/filesystem/Filesystem.php on line 729 Other service on this server work ok , free space is ok . Please help me understand what's happening ....Thanks