Fail to convert database type An exception occurred in the driver: SQLSTATE[HY000]

I am trying to convert my database using the command:

php occ db:convert-type --all-apps mysql oc_mysql_user 127.0.0.1 new_db_name

From here

And got the following error:

# php occ db:convert-type --all-apps mysql oc_mysql_user 127.0.0.1 new_db_name
An unhandled exception has been thrown:
Doctrine\DBAL\Exception: Failed to connect to the database: An exception occurred in the driver: SQLSTATE[HY000] [14] unable to open database file in /volume1/docker/nextcloud/config/www/nextcloud/lib/private/DB/Connection.php:87
Stack trace:
#0 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/doctrine/dbal/src/Connection.php(1486): OC\DB\Connection->connect()
#1 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/doctrine/dbal/src/Connection.php(1014): Doctrine\DBAL\Connection->getWrappedConnection()
#2 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/DB/Connection.php(231): Doctrine\DBAL\Connection->executeQuery('SELECT * FROM "...', Array, Array, NULL)
#3 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/doctrine/dbal/src/Query/QueryBuilder.php(210): OC\DB\Connection->executeQuery('SELECT * FROM "...', Array, Array)
#4 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/DB/QueryBuilder/QueryBuilder.php(287): Doctrine\DBAL\Query\QueryBuilder->execute()
#5 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppConfig.php(344): OC\DB\QueryBuilder\QueryBuilder->execute()
#6 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppConfig.php(109): OC\AppConfig->loadConfigValues()
#7 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppConfig.php(300): OC\AppConfig->getApps()
#8 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/legacy/OC_App.php(961): OC\AppConfig->getValues(false, 'installed_versi...')
#9 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/Server.php(685): OC_App::getAppVersions()
#10 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(160): OC\Server->OC\{closure}(Object(OC\Server))
#11 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/pimple/pimple/src/Pimple/Container.php(118): OC\AppFramework\Utility\SimpleContainer->OC\AppFramework\Utility\{closure}(Object(Pimple\Container))
#12 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(127): Pimple\Container->offsetGet('OC\\Memcache\\Fac...')
#13 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/ServerContainer.php(136): OC\AppFramework\Utility\SimpleContainer->query('OC\\Memcache\\Fac...', false)
#14 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(56): OC\ServerContainer->query('OC\\Memcache\\Fac...')
#15 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(182): OC\AppFramework\Utility\SimpleContainer->get('OC\\Memcache\\Fac...')
#16 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(160): OC\AppFramework\Utility\SimpleContainer->OC\AppFramework\Utility\{closure}(Object(OC\Server))
#17 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/pimple/pimple/src/Pimple/Container.php(114): OC\AppFramework\Utility\SimpleContainer->OC\AppFramework\Utility\{closure}(Object(Pimple\Container))
#18 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(127): Pimple\Container->offsetGet('OCP\\ICacheFacto...')
#19 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/ServerContainer.php(136): OC\AppFramework\Utility\SimpleContainer->query('OCP\\ICacheFacto...', false)
#20 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(56): OC\ServerContainer->query('OCP\\ICacheFacto...')
#21 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/Server.php(1050): OC\AppFramework\Utility\SimpleContainer->get('OCP\\ICacheFacto...')
#22 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(160): OC\Server->OC\{closure}(Object(OC\Server))
#23 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/pimple/pimple/src/Pimple/Container.php(118): OC\AppFramework\Utility\SimpleContainer->OC\AppFramework\Utility\{closure}(Object(Pimple\Container))
#24 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(127): Pimple\Container->offsetGet('OCP\\Lock\\ILocki...')
#25 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/ServerContainer.php(136): OC\AppFramework\Utility\SimpleContainer->query('OCP\\Lock\\ILocki...', false)
#26 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(56): OC\ServerContainer->query('OCP\\Lock\\ILocki...')
#27 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/Server.php(2010): OC\AppFramework\Utility\SimpleContainer->get('OCP\\Lock\\ILocki...')
#28 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/Files/View.php(118): OC\Server->getLockingProvider()
#29 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/Server.php(433): OC\Files\View->__construct()
#30 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(160): OC\Server->OC\{closure}(Object(OC\Server))
#31 /volume1/docker/nextcloud/config/www/nextcloud/3rdparty/pimple/pimple/src/Pimple/Container.php(118): OC\AppFramework\Utility\SimpleContainer->OC\AppFramework\Utility\{closure}(Object(Pimple\Container))
#32 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(127): Pimple\Container->offsetGet('OC\\Files\\Node\\H...')
#33 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/ServerContainer.php(136): OC\AppFramework\Utility\SimpleContainer->query('OC\\Files\\Node\\H...', false)
#34 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/AppFramework/Utility/SimpleContainer.php(56): OC\ServerContainer->query('OC\\Files\\Node\\H...')
#35 /volume1/docker/nextcloud/config/www/nextcloud/lib/private/Server.php(1373): OC\AppFramework\Utility\SimpleContainer->get('OC\\Files\\Node\\H...')
#36 /volume1/docker/nextcloud/config/www/nextcloud/lib/base.php(594): OC\Server->boot()
#37 /volume1/docker/nextcloud/config/www/nextcloud/lib/base.php(1083): OC::init()
#38 /volume1/docker/nextcloud/config/www/nextcloud/console.php(48): require_once('/volume1/docker...')
#39 /volume1/docker/nextcloud/config/www/nextcloud/occ(11): require_once('/volume1/docker...')

I am using Docker and NPM.

My config content:

<?php
$CONFIG = array (
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'datadirectory' => '/data',
  'instanceid' => '----',
  'passwordsalt' => '----',
  'secret' => '---',

'trusted_domains' =>
   [
    '192.168.0.67',
    '<mydomain>',
  ],

  ),
  'dbtype' => 'sqlite3',
  'version' => '22.1.0.1',
  'overwrite.cli.url' => '<mydomain>',
  'installed' => true,
);