Trying to upgrade from 3.1.1 to 3.2.0.0 but facing this error

[israel.cefrin]

Hi @Altechmind_Official

This issue looks similar to this one regarding upgrades using PostgreSQL:

Upgrade from 2.4 to 3.0.2 and 3.1 failed

Hello, i’m trying to update OJS version from 2.4 to 3.0.2 but i’ve encountered the error below: PHP Fatal error: Call to undefined method Installer::Installer() in /var/www/html/xxx/classes/install/Upgrade.inc.php on line 25 This error occurs in this following step: Command-line If you have the CLI version of PHP installed (e.g., /usr/bin/php), you can upgrade the database as follows: - Edit config.inc.php and change "installed = On" to "installed = Off" - Run the following command from …

Could you please have a look in the solution proposed?

pkp/pkp-lib#4823 Fix non-PostgreSQL-compatible SQL on upgrade

Best,
Israel Cefrin
PKP Team