Fatal error: Uncaught Error: Call to undefined function PDFEmbedder\add_settings_error() in /home/munispa/public_html/wp-content/plugins/pdf-embedder/src/Options.php:112 Stack trace: #0 /home/munispa/public_html/wp-content/plugins/pdf-embedder/src/Shortcodes/PdfEmbedder.php(81): PDFEmbedder\Options::validate(Array) #1 /home/munispa/public_html/wp-content/plugins/pdf-embedder/src/Shortcodes/PdfEmbedder.php(35): PDFEmbedder\Shortcodes\PdfEmbedder->get_processed_atts(Array) #2 /home/munispa/public_html/wp-includes/shortcodes.php(393): PDFEmbedder\Shortcodes\PdfEmbedder->render(Array, '', 'pdf-embedder') #3 [internal function]: do_shortcode_tag(Array) #4 /home/munispa/public_html/wp-includes/shortcodes.php(265): preg_replace_callback('/\\[(\\[?)(pdf\\-e...', 'do_shortcode_ta...', '[pdf-embedder u...') #5 /home/munispa/public_html/wp-content/plugins/divi-builder/includes/builder/class-et-builder-element.php(3012): do_shortcode('[pdf-embedder u...') #6 /home/munispa/public_html/wp-includes/shortcodes.php(393): ET_Builder_Elemen in /home/munispa/public_html/wp-content/plugins/pdf-embedder/src/Options.php on line 112