Cannot access wordpress admin

Warning: Use of undefined constant SECURE_AUTH_COOKIE – assumed ‘SECURE_AUTH_COOKIE’ (this will throw an Error in a future version of PHP) in /home/customer/www/blackartgang.com/public_html/wp-includes/pluggable.php on line 928

Warning: Use of undefined constant LOGGED_IN_COOKIE – assumed ‘LOGGED_IN_COOKIE’ (this will throw an Error in a future version of PHP) in /home/customer/www/blackartgang.com/public_html/wp-includes/user.php on line 532

Warning: Cannot modify header information – headers already sent by (output started at /home/customer/www/blackartgang.com/public_html/wp-includes/pluggable.php:928) in /home/customer/www/blackartgang.com/public_html/wp-includes/pluggable.php on line 1421

@2tekmedia

Could you please ask a specific question that we can do our best to help with?

Im trying to login to the admin dashboard for WordPress. When I put in my username and password it gives me an error which I posted above. I don’t know what else to say other then what Im seeing. Please let me know if there’s something else I can add to make this more clear.

I used a backup and now the error is this

Fatal error: Uncaught ReflectionException: Method get_site_editor_type does not exist in /home/customer/www/blackartgang.com/public_html/wp-content/plugins/elementor-pro/modules/theme-builder/documents/theme-document.php:46 Stack trace: #0 /home/customer/www/blackartgang.com/public_html/wp-content/plugins/elementor-pro/modules/theme-builder/documents/theme-document.php(46): ReflectionClass->getMethod('get_site_editor...') #1 /home/customer/www/blackartgang.com/public_html/wp-content/plugins/elementor-pro/modules/theme-builder/documents/theme-document.php(127): ElementorPro\Modules\ThemeBuilder\Documents\Theme_Document::get_site_editor_type_bc() #2 /home/customer/www/blackartgang.com/public_html/wp-content/plugins/elementor/core/common/modules/finder/categories/create.php(94): ElementorPro\Modules\ThemeBuilder\Documents\Theme_Document::get_create_url() #3 /home/customer/www/blackartgang.com/public_html/wp-content/plugins/elementor/core/common/modules/finder/categories/create.php(67): Elementor\Core\Common\Modules\Finder\Ca in /home/customer/www/blackartgang.com/public_html/wp-content/plugins/elementor-pro/modules/theme-builder/documents/theme-document.php on line 46
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