Fatal error: Uncaught exception Exception with message Query error: Can't read dir of './db@002dmayr/' (errno: 24 - Too many open files) (SHOW TABLES FROM `db-mayr`) thrown in system/modules/core/library/Contao/Database/Statement.php on line 295
#0 system/modules/core/library/Contao/Database.php(207): Contao\Database\Statement->query('SHOW TABLES FRO...')
#1 system/modules/core/library/Contao/Database.php(252): Contao\Database->query('SHOW TABLES FRO...')
#2 system/modules/core/library/Contao/Database.php(281): Contao\Database->listTables(NULL, false)
#3 system/modules/pct_customelements/PCT/CustomElements/Core/PluginFactory.php(100): Contao\Database->tableExists('tl_pct_customel...')
#4 system/modules/pct_customelements/PCT/CustomElements/Core/PluginFactory.php(122): PCT\CustomElements\Core\PluginFactory::findAllPublished()
#5 system/modules/pct_customelements/PCT/CustomElements/Core/CustomElements.php(187): PCT\CustomElements\Core\PluginFactory::findAllPublishedWithDefinition()
#6 system/modules/pct_customelements/PCT/CustomElements/Core/CustomElements.php(91): PCT\CustomElements\Core\CustomElements->getAllowedTables()
#7 system/modules/pct_customelements/PCT/CustomElements/Loader/CustomElementsLoader.php(64): PCT\CustomElements\Core\CustomElements->getCustomElements('tl_content')
#8 system/cache/config/config.php(1307): PCT\CustomElements\Loader\CustomElementsLoader->loadFrontendModules()
#9 system/modules/core/library/Contao/Config.php(130): include('/var/www/vhosts...')
#10 system/modules/core/library/Contao/Config.php(108): Contao\Config->initialize()
#11 system/initialize.php(162): Contao\Config::getInstance()
#12 index.php(16): require('/var/www/vhosts...')
#13 {main}