Warning: Undefined array key "id" in /home/customer/www/foldingdidactics.com/public_html/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(100) : eval()'d code on line 2

Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/customer/www/foldingdidactics.com/public_html/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(100) : eval()'d code:4 Stack trace: #0 /home/customer/www/foldingdidactics.com/public_html/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(100): eval() #1 /home/customer/www/foldingdidactics.com/public_html/wp-includes/shortcodes.php(433): xyz_ips_display_content(Array, '', 'xyz-ips') #2 [internal function]: do_shortcode_tag(Array) #3 /home/customer/www/foldingdidactics.com/public_html/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(xyz\\-i...', 'do_shortcode_ta...', '[xyz-ips snippe...') #4 /home/customer/www/foldingdidactics.com/public_html/wp-includes/class-wp-hook.php(324): do_shortcode('[xyz-ips snippe...') #5 /home/customer/www/foldingdidactics.com/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('[xyz-ips snippe...', Array) #6 /home/customer/www/foldingdidactics.com/public_html/wp-includes/post-template.php(256): apply_filters('the_content', '[xyz-ips snippe...') #7 /home/customer/www/foldingdidactics.com/public_html/wp-content/themes/hello-elementor/template-parts/single.php(23): the_content() #8 /home/customer/www/foldingdidactics.com/public_html/wp-includes/template.php(792): require('/home/customer/...') #9 /home/customer/www/foldingdidactics.com/public_html/wp-includes/template.php(725): load_template('/home/customer/...', false, Array) #10 /home/customer/www/foldingdidactics.com/public_html/wp-includes/general-template.php(206): locate_template(Array, true, false, Array) #11 /home/customer/www/foldingdidactics.com/public_html/wp-content/themes/hello-elementor/index.php(21): get_template_part('template-parts/...') #12 /home/customer/www/foldingdidactics.com/public_html/wp-includes/template-loader.php(106): include('/home/customer/...') #13 /home/customer/www/foldingdidactics.com/public_html/wp-blog-header.php(19): require_once('/home/customer/...') #14 /home/customer/www/foldingdidactics.com/public_html/index.php(17): require('/home/customer/...') #15 {main} thrown in /home/customer/www/foldingdidactics.com/public_html/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(100) : eval()'d code on line 4