I enabled debugging. I had to disable the “BackWPup” plugin for the configuration page to become accessible. This was the error message I was seeing that referenced the NADI plugin:
[03-Jul-2024 20:06:16 UTC] PHP Fatal error: Uncaught TypeError: Dreitier\Nadi\Vendor\Monolog\Logger::pushHandler(): Argument #1 ($handler) must be of type Dreitier\Nadi\Vendor\Monolog\Handler\HandlerInterface, Monolog\Handler\StreamHandler given, called in C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\commons.php on line 90 and defined in C:\inetpub\wwwroot\library\wp-content\plugins\next-active-directory-integration\vendor-repackaged\monolog\monolog\src\Monolog\Logger.php:231
Stack trace: 0 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\commons.php(90): Dreitier\Nadi\Vendor\Monolog\Logger->pushHandler() 1 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\vendor\pimple\pimple\src\Pimple\Container.php(122): Inpsyde\BackWPup\Infrastructure\Restore{closure}() 2 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\commons.php(111): Pimple\Container->offsetGet() 3 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\vendor\pimple\pimple\src\Pimple\Container.php(122): Inpsyde\BackWPup\Infrastructure\Restore{closure}() 4 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\commons.php(180): Pimple\Container->offsetGet() 5 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\vendor\pimple\pimple\src\Pimple\Container.php(122): Inpsyde\BackWPup\Infrastructure\Restore{closure}() 6 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\commons.php(268): Pimple\Container->offsetGet() 7 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\vendor\pimple\pimple\src\Pimple\Container.php(122): Inpsyde\BackWPup\Infrastructure\Restore{closure}() 8 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\commons.php(311): Pimple\Container->offsetGet() 9 C:\inetpub\wwwroot\library\wp-content\plugins\backwpup\src\Infrastructure\Restore\Restore.php(114): Inpsyde\BackWPup\Infrastructure\Restore\restore_container() 10 C:\inetpub\wwwroot\library\wp-includes\class-wp-hook.php(324): Inpsyde\BackWPup\Infrastructure\Restore\Restore->ajax_handler() 11 C:\inetpub\wwwroot\library\wp-includes\class-wp-hook.php(348): WP_Hook->apply_filters() 12 C:\inetpub\wwwroot\library\wp-includes\plugin.php(517): WP_Hook->do_action() 13 C:\inetpub\wwwroot\library\wp-admin\admin-ajax.php(45): do_action() 14 {main}
thrown in C:\inetpub\wwwroot\library\wp-content\plugins\next-active-directory-integration\vendor-repackaged\monolog\monolog\src\Monolog\Logger.php on line 231