Why am I getting this error when upgrading PHP 7.3 to 7.4? “Uncaught Error:...

reno_rita

I had a perfectly working installation, but needed to upgrade PHP 7.3 to 7.4 due to EOL. Since then, I have an error : Fatal error: Uncaught Error: Class 'PDO' not found in /usr/local/www/nextcloud/lib/private/DB/Connection.php:103 Stack trace: #0 /usr/local/www/nextcloud/lib/private/AppConfig.php(341): OC\DB\Connection->getQueryBuilder() #1 /usr/local/www/nextcloud/lib/private/AppConfig.php(109): OC\AppConfig->loadConfigValues() #2...

Originally asked by Xavier Humbert on Stack Exchange (superuser) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

Finally upgraded the whole PHP stuff to 8.0, it fixed the problem

Full answer by Xavier Humbert: https://superuser.stackexchange.com/a/1703436 (CC BY-SA 4.0).

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