Questa è il punto in cui si blocca l'installazione, alla creazione del DB

Mentre questo è quello che mi esce nel log
[2021-03-17 18:27:58] Logs.ERROR: Uncaught Exception Error: "Class 'HTMLPurifier_DefinitionCache_Decorator_Cleanup' not found" at /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php line 100 {"exception":"[object] (Error(code: 0): Class 'HTMLPurifier_DefinitionCache_Decorator_Cleanup' not found at /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php:100)"}
{"url":"/back-office/index.php","ip":"185.60.243.2","http_method":"POST","server":"www.expirianet.cloud","referrer":"https://www.expirianet.cloud/back-office/","unique_id":"YFI8HqG8Ln1L4I6mem4BXwAAAAE","uid":"400562b"}
[2021-03-17 18:27:58] Logs.ERROR: Class 'HTMLPurifier_DefinitionCache_Decorator_Cleanup' not found {"code":0,"message":"Class 'HTMLPurifier_DefinitionCache_Decorator_Cleanup' not found","file":"/web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php","line":100,"trace":"#0 /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php(28): HTMLPurifier_DefinitionCacheFactory->addDecorator('Cleanup')\n#1 /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/DefinitionCacheFactory.php(43): HTMLPurifier_DefinitionCacheFactory->setup()\n#2 /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php(484): HTMLPurifier_DefinitionCacheFactory::instance()\n#3 /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php(415): HTMLPurifier_Config->getDefinition('HTML', false, false)\n#4 /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Generator.php(74): HTMLPurifier_Config->getHTMLDefinition()\n#5 /web/htdocs/www.expirianet.cloud/home/back-office/vendor/ezyang/htmlpurifier/library/HTMLPurifier.php(158): HTMLPurifier_Generator->__construct(Object(HTMLPurifier_Config), Object(HTMLPurifier_Context))\n#6 /web/htdocs/www.expirianet.cloud/home/back-office/src/Filter.php(139): HTMLPurifier->purify('it_IT')\n#7 /web/htdocs/www.expirianet.cloud/home/back-office/src/Filter.php(136): Filter::sanitize('it_IT')\n#8 /web/htdocs/www.expirianet.cloud/home/back-office/src/Filter.php(66): Filter::sanitize(Array)\n#9 /web/htdocs/www.expirianet.cloud/home/back-office/core.php(263): Filter::getPOST()\n#10 /web/htdocs/www.expirianet.cloud/home/back-office/index.php(21): include_once('/web/htdocs/www...')\n#11 {main}"}
{"url":"/back-office/index.php","ip":"185.60.243.2","http_method":"POST","server":"www.expirianet.cloud","referrer":"https://www.expirianet.cloud/back-office/","unique_id":"YFI8HqG8Ln1L4I6mem4BXwAAAAE","uid":"400562b"}