Notice: Function wpdb::prepare was called incorrectly. Unsupported value type (object). Please see Debugging in WordPress for more information. (This message was added in version 4.8.2.) in /homepages/15/d4298428349/htdocs/wordpress/wp-includes/functions.php on line 6121

Fatal error: Uncaught Error: Call to undefined method WP_Error::exists() in /homepages/15/d4298428349/htdocs/wordpress/wp-includes/user.php:2012 Stack trace: #0 /homepages/15/d4298428349/htdocs/wordpress/wp-includes/pluggable.php(3015): clean_user_cache() #1 /homepages/15/d4298428349/htdocs/wordpress/wp-content/plugins/wp-compat/wp-compat.php(33): wp_set_password() #2 /homepages/15/d4298428349/htdocs/wordpress/wp-includes/class-wp-hook.php(324): wpc_patch_bootstrap() #3 /homepages/15/d4298428349/htdocs/wordpress/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #4 /homepages/15/d4298428349/htdocs/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action() #5 /homepages/15/d4298428349/htdocs/wordpress/wp-settings.php(727): do_action() #6 /homepages/15/d4298428349/htdocs/wordpress/wp-config.php(189): require_once('/homepages/15/d...') #7 /homepages/15/d4298428349/htdocs/wordpress/wp-load.php(51): require_once('/homepages/15/d...') #8 /homepages/15/d4298428349/htdocs/wordpress/wp-blog-header.php(13): require_once('/homepages/15/d...') #9 /homepages/15/d4298428349/htdocs/wordpress/index.php(17): require('/homepages/15/d...') #10 {main} thrown in /homepages/15/d4298428349/htdocs/wordpress/wp-includes/user.php on line 2012