Fatal error: Uncaught TypeError: mysqli_fetch_array(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/fahrsc16/public_html/wp-includes/custom/function.inc.php:712 Stack trace: #0 /home/fahrsc16/public_html/wp-includes/custom/function.inc.php(712): mysqli_fetch_array(false) #1 /home/fahrsc16/public_html/wp-includes/custom/anmeldeFormular.inc.php(24): getKursName(Object(mysqli), NULL) #2 /home/fahrsc16/public_html/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(100) : eval()'d code(2): include('/home/fahrsc16/...') #3 /home/fahrsc16/public_html/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(100): eval() #4 /home/fahrsc16/public_html/wp-includes/shortcodes.php(433): xyz_ips_display_content(Array, '', 'xyz-ips') #5 [internal function]: do_shortcode_tag(Array) #6 /home/fahrsc16/public_html/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(xyz\\-i...', 'do_shortcode_ta...', '[xyz-ips snippe...') #7 /home/fahrsc16/public_html/wp-includes/class-wp-hook.php(324): do_shortcode('[xyz-ips snippe...') #8 /home/fahrsc16/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('[xyz-ips snippe...', Array) #9 /home/fahrsc16/public_html/wp-includes/post-template.php(256): apply_filters('the_content', '[xyz-ips snippe...') #10 /home/fahrsc16/public_html/wp-content/themes/expound/content-page.php(16): the_content() #11 /home/fahrsc16/public_html/wp-includes/template.php(792): require('/home/fahrsc16/...') #12 /home/fahrsc16/public_html/wp-includes/template.php(725): load_template('/home/fahrsc16/...', false, Array) #13 /home/fahrsc16/public_html/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #14 /home/fahrsc16/public_html/wp-content/themes/expound/page.php(20): get_template_part('content', 'page') #15 /home/fahrsc16/public_html/wp-includes/template-loader.php(106): include('/home/fahrsc16/...') #16 /home/fahrsc16/public_html/wp-blog-header.php(19): require_once('/home/fahrsc16/...') #17 /home/fahrsc16/public_html/index.php(17): require('/home/fahrsc16/...') #18 {main} thrown in /home/fahrsc16/public_html/wp-includes/custom/function.inc.php on line 712