Unable to Login Admin Panel

Please login to your web host cPanel. There, you can access your database through phpMyadmin. Select all tables in your WordPress database and use the repair option.

Let me know if the issue persists.

If you have database backup, you can also try restoring it.

Go here: http://dxschool.org/wp-admin/maint/repair.php?referrer=is_blog_installed

To allow use of this page to automatically repair database problems, please add the following line to your wp-config.php file. Once this line is added to your config, reload this page.

define(‘WP_ALLOW_REPAIR’, true);