Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "shoptimizer_search_modal" not found or invalid function name in /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/class-wp-hook.php:324 Stack trace: #0 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #1 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #2 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-content/themes/shoptimizer/header.php(73): do_action() #3 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/template.php(810): require_once('/home/u38403487...') #4 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/template.php(745): load_template() #5 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/general-template.php(48): locate_template() #6 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-content/themes/shoptimizer/page.php(13): get_header() #7 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/template-loader.php(106): include('/home/u38403487...') #8 /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-blog-header.php(19): require_once('/home/u38403487...') #9 /home/u384034873/domains/dolaa.fiore.icu/public_html/index.php(43): require('/home/u38403487...') #10 {main} thrown in /home/u384034873/domains/dolaa.fiore.icu/public_html/wp-includes/class-wp-hook.php on line 324