Warning: Undefined variable $wpdb in /home/maesite5/public_html/wp-content/plugins/zotpress/lib/shortcode/shortcode.functions.php on line 331

Fatal error: Uncaught Error: Call to a member function get_row() on null in /home/maesite5/public_html/wp-content/plugins/zotpress/lib/shortcode/shortcode.functions.php:331 Stack trace: #0 /home/maesite5/public_html/wp-content/plugins/zotpress/lib/shortcode/shortcode.php(168): Zotpress_prep_ajax_request_vars(Array) #1 /home/maesite5/public_html/wp-includes/shortcodes.php(434): Zotpress_func(Array, '', 'zotpress') #2 [internal function]: do_shortcode_tag(Array) #3 /home/maesite5/public_html/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(zotpre...', 'do_shortcode_ta...', '\n<h2 class="wp-...') #4 /home/maesite5/public_html/wp-includes/class-wp-hook.php(324): do_shortcode('\n<h2 class="wp-...') #5 /home/maesite5/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('\n<h2 class="wp-...', Array) #6 /home/maesite5/public_html/wp-includes/blocks/post-content.php(50): apply_filters('the_content', '<!-- wp:heading...') #7 /home/maesite5/public_html/wp-includes/class-wp-block.php(519): render_block_core_post_content(Array, '<!-- wp:heading...', Object(WP_Block)) #8 /home/maesite5/public_html/wp-includes/class-wp-block.php(499): WP_Block->render() #9 /home/maesite5/public_html/wp-includes/class-wp-block.php(499): WP_Block->render() #10 /home/maesite5/public_html/wp-includes/blocks.php(2061): WP_Block->render() #11 /home/maesite5/public_html/wp-includes/blocks.php(2113): render_block(Array) #12 /home/maesite5/public_html/wp-includes/block-template.php(260): do_blocks('<!-- wp:templat...') #13 /home/maesite5/public_html/wp-includes/template-canvas.php(12): get_the_block_template_html() #14 /home/maesite5/public_html/wp-includes/template-loader.php(106): include('/home/maesite5/...') #15 /home/maesite5/public_html/wp-blog-header.php(19): require_once('/home/maesite5/...') #16 /home/maesite5/public_html/index.php(17): require('/home/maesite5/...') #17 {main} thrown in /home/maesite5/public_html/wp-content/plugins/zotpress/lib/shortcode/shortcode.functions.php on line 331