shinjiru hosting problem xenforo 2 - An exception occurred: [XF\Db\Exception] Access denied for user

I purchased hosting, I imported the site, I set all the php-7.4 parameters, I disabled fpm and I receive this error:

An exception occurred: [XF\Db\Exception] Access denied for user 'dbwarezc_nullgurit'@'localhost' to database 'dbwarezc_nullgurit' in src/XF/Db/Mysqli/Adapter.php on line 165

XF\Db\Mysqli\Adapter->makeConnection() in src/XF/Db/Mysqli/Adapter.php at line 28
XF\Db\Mysqli\Adapter->getConnection() in src/XF/Db/AbstractAdapter.php at line 62
XF\Db\AbstractAdapter->connect() in src/XF/Db/Mysqli/Adapter.php at line 113
XF\Db\Mysqli\Adapter->escapeString() in src/XF/Db/AbstractAdapter.php at line 518
XF\Db\AbstractAdapter->quote() in src/XF/Db/AbstractAdapter.php at line 496
XF\Db\AbstractAdapter->quote() in src/XF/DataRegistry.php at line 139
XF\DataRegistry->readFromDb() in src/XF/DataRegistry.php at line 84
XF\DataRegistry->get() in src/XF/DataRegistry.php at line 228
XF\DataRegistry->offsetGet() in src/XF/App.php at line 1931
XF\App->XF\{closure}() in src/XF/Container.php at line 31
XF\Container->offsetGet() in src/XF/App.php at line 2460
XF\App->setupAddOnComposerAutoload() in src/XF/App.php at line 2030
XF\App->setup() in src/XF/Pub/App.php at line 94
XF\Pub\App->setup() in src/XF.php at line 497
XF::setupApp() in src/XF.php at line 520
XF::runApp() in index.php at line 20