Buongiorno
eseguendo installazione su Aruba e Mysql
passando il controllo dei requisiti
accettando la licenza GPLv3 di openstamanager
e passando alla sezione dei dati per il mysql
inserendo questi correttamente

cliccando su Testa il database ottengo errore

Errore: [object Object]

saltando il test del database e cliccando su Installa

ottengo errore come da oggetto:

Si è verificato un'errore [uid: bf659fb].

File error log:

[2022-08-11 15:16:06] Logs.ERROR: Class 'HTMLPurifier_AttrDef_HTML_Class' not found {"code":0,"message":"Class 'HTMLPurifier_AttrDef_HTML_Class' not found","file":"/web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrTypes.php","line":52,"trace":"#0 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModuleManager.php(77): HTMLPurifier_AttrTypes->construct()\n#1 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLDefinition.php(187): HTMLPurifier_HTMLModuleManager->construct()\n#2 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php(630): HTMLPurifier_HTMLDefinition->construct()\n#3 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php(512): HTMLPurifier_Config->initDefinition()\n#4 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Config.php(415): HTMLPurifier_Config->getDefinition()\n#5 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Generator.php(74): HTMLPurifier_Config->getHTMLDefinition()\n#6 /web/htdocs/www.miosito.it/home/gestione/vendor/ezyang/htmlpurifier/library/HTMLPurifier.php(158): HTMLPurifier_Generator->construct()\n#7 /web/htdocs/www.miosito.it/home/gestione/src/Filter.php(139): HTMLPurifier->purify()\n#8 /web/htdocs/www.miosito.it/home/gestione/src/Filter.php(136): Filter::sanitize()\n#9 /web/htdocs/www.miosito.it/home/gestione/src/Filter.php(66): Filter::sanitize()\n#10 /web/htdocs/www.miosito.it/home/gestione/core.php(268): Filter::getPOST()\n#11 /web/htdocs/www.miosito.it/home/gestione/index.php(21): include_once('/web/htdocs/www...')\n#12 {main}"}
{"url":"/gestione/?action=updateconfig&firstuse=true","ip":"80.104.153.31","http_method":"POST","server":"www.miosito.it","referrer":"https://www.miosito.it/gestione/","unique_id":"YvUBFvpg9b5N6278s_EKOAAAAAM","uid":"bf659fb"}

Saluti
Stefano