Fatal error: Uncaught Error: Call to undefined function wc_get_product() in /volume1/web/wordpress/wp-content/themes/twentytwentythree-child/functions.php on line 82

Error: Call to undefined function wc_get_product() in /volume1/web/wordpress/wp-content/themes/twentytwentythree-child/functions.php on line 82

Call Stack:
    0.0000     352848   1. {main}() /volume1/web/wordpress/index.php:0
    0.0001     353048   2. require('/volume1/web/wordpress/wp-blog-header.php') /volume1/web/wordpress/index.php:17
    0.4251    5618872   3. require_once('/volume1/web/wordpress/wp-includes/template-loader.php') /volume1/web/wordpress/wp-blog-header.php:19
    0.6386    5681600   4. include('/volume1/web/wordpress/wp-includes/template-canvas.php') /volume1/web/wordpress/wp-includes/template-loader.php:106
    0.6386    5681600   5. get_the_block_template_html() /volume1/web/wordpress/wp-includes/template-canvas.php:12
    0.6418    5681936   6. do_blocks($content = '<!-- wp:template-part {"slug":"header","theme":"twentytwentythree-child","tagName":"header"} /-->\n\n<!-- wp:group {"tagName":"main","style":{"spacing":{"margin":{"top":"var:preset|spacing|50"}}}} -->\n<main class="wp-block-group" style="margin-top:var(--wp--preset--spacing--50)"><!-- wp:group {"layout":{"type":"constrained"}} -->\n<div class="wp-block-group"><!-- wp:post-title {"level":1,"style":{"spacing":{"margin":{"bottom":"var:preset|spacing|40"}}}} /--></div>\n<!-- /wp:group -->\n\n<!-- wp:post-conten') /volume1/web/wordpress/wp-includes/block-template.php:240
    0.7872    6003976   7. render_block($parsed_block = ['blockName' => 'core/group', 'attrs' => ['tagName' => 'main', 'style' => [...]], 'innerBlocks' => [0 => [...], 1 => [...], 2 => [...], 3 => [...]], 'innerHTML' => '\n<main class="wp-block-group" style="margin-top:var(--wp--preset--spacing--50)">\n\n\n\n\n\n</main>\n', 'innerContent' => [0 => '\n<main class="wp-block-group" style="margin-top:var(--wp--preset--spacing--50)">', 1 => NULL, 2 => '\n\n', 3 => NULL, 4 => '\n\n', 5 => NULL, 6 => '\n\n', 7 => NULL, 8 => '</main>\n']]) /volume1/web/wordpress/wp-includes/blocks.php:1089
    0.7879    6004552   8. WP_Block->render($options = ???) /volume1/web/wordpress/wp-includes/blocks.php:1051
    0.8002    6008360   9. WP_Block->render($options = ???) /volume1/web/wordpress/wp-includes/class-wp-block.php:242
    0.8002    6008920  10. render_block_core_post_content($attributes = ['layout' => ['type' => 'constrained']], $content = '', $block = class WP_Block { public $parsed_block = ['blockName' => 'core/post-content', 'attrs' => [...], 'innerBlocks' => [...], 'innerHTML' => '', 'innerContent' => [...]]; public $name = 'core/post-content'; public $block_type = class WP_Block_Type { public $api_version = 2; public $name = 'core/post-content'; public $title = 'Obsah článku'; public $category = 'theme'; public $parent = NULL; public $ancestor = NULL; public $icon = NULL; public $description = 'Zobrazuje obsah článku alebo stránky.'; public $keywords = [...]; public $textdomain = NULL; public $styles = [...]; public $variations = [...]; public $supports = [...]; public $example = NULL; public $render_callback = 'render_block_core_post_content'; public $attributes = [...]; public $uses_context = [...]; public $provides_context = NULL; public $editor_script_handles = [...]; public $script_handles = [...]; public $view_script_handles = [...]; public $editor_style_handles = [...]; public $style_handles = [...]; private $deprecated_properties = [...] }; public $context = ['postId' => 2, 'postType' => 'page']; protected $available_context = ['postId' => 2, 'postType' => 'page']; protected $registry = class WP_Block_Type_Registry { private $registered_block_types = [...] }; public $inner_blocks = []; public $inner_html = ''; public $inner_content = []; public $attributes = ['layout' => [...]] }) /volume1/web/wordpress/wp-includes/class-wp-block.php:256
    0.8036    6029312  11. apply_filters($hook_name = 'the_content', $value = '<!-- wp:columns {"align":"wide","style":{"spacing":{"padding":{"top":"0","right":"0","bottom":"0","left":"0"}}}} -->\n<div class="wp-block-columns alignwide" style="padding-top:0;padding-right:0;padding-bottom:0;padding-left:0"><!-- wp:column {"verticalAlignment":"top"} -->\n<div class="wp-block-column is-vertically-aligned-top"><!-- wp:heading {"level":1,"fontSize":"large"} -->\n<h1 class="has-large-font-size">Už žiadne stratene ponožky</h1>\n<!-- /wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Nemáš pá') /volume1/web/wordpress/wp-includes/blocks/post-content.php:55
    0.8036    6029616  12. WP_Hook->apply_filters($value = '<!-- wp:columns {"align":"wide","style":{"spacing":{"padding":{"top":"0","right":"0","bottom":"0","left":"0"}}}} -->\n<div class="wp-block-columns alignwide" style="padding-top:0;padding-right:0;padding-bottom:0;padding-left:0"><!-- wp:column {"verticalAlignment":"top"} -->\n<div class="wp-block-column is-vertically-aligned-top"><!-- wp:heading {"level":1,"fontSize":"large"} -->\n<h1 class="has-large-font-size">Už žiadne stratene ponožky</h1>\n<!-- /wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Nemáš pá', $args = [0 => '<!-- wp:columns {"align":"wide","style":{"spacing":{"padding":{"top":"0","right":"0","bottom":"0","left":"0"}}}} -->\n<div class="wp-block-columns alignwide" style="padding-top:0;padding-right:0;padding-bottom:0;padding-left:0"><!-- wp:column {"verticalAlignment":"top"} -->\n<div class="wp-block-column is-vertically-aligned-top"><!-- wp:heading {"level":1,"fontSize":"large"} -->\n<h1 class="has-large-font-size">Už žiadne stratene ponožky</h1>\n<!-- /wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Nemáš pá']) /volume1/web/wordpress/wp-includes/plugin.php:205
    1.2513    6071936  13. do_shortcode($content = '\n<div class="is-layout-flex wp-container-15 wp-block-columns alignwide" style="padding-top:0;padding-right:0;padding-bottom:0;padding-left:0">\n<div class="is-layout-flow wp-block-column is-vertically-aligned-top">\n<h1 class="has-large-font-size">Už žiadne stratene ponožky</h1>\n\n\n\n<p>Nemáš páru, čítaj ďalej</p>\n</div>\n\n\n\n<div class="is-layout-flow wp-block-column"></div>\n</div>\n\n\n\n<div class="is-layout-flex wp-container-18 wp-block-columns alignwide">\n<div class="is-layout-flow wp-', $ignore_html = ???) /volume1/web/wordpress/wp-includes/class-wp-hook.php:308
    1.2522    6086320  14. preg_replace_callback($pattern = '/\\[(\\[?)(mytheme_quantity_box|mytheme_product_price|mytheme_price_excl_tax|product_button)(?![\\w-])([^\\]\\/]*(?:\\/(?!\\])[^\\]\\/]*)*?)(?:(\\/)\\]|\\](?:([^\\[]*+(?:\\[(?!\\/\\2\\])[^\\[]*+)*+)\\[\\/\\2\\])?)(\\]?)/', $callback = 'do_shortcode_tag', $subject = '\n<div class="is-layout-flex wp-container-15 wp-block-columns alignwide" style="padding-top:0;padding-right:0;padding-bottom:0;padding-left:0">\n<div class="is-layout-flow wp-block-column is-vertically-aligned-top">\n<h1 class="has-large-font-size">Už žiadne stratene ponožky</h1>\n\n\n\n<p>Nemáš páru, čítaj ďalej</p>\n</div>\n\n\n\n<div class="is-layout-flow wp-block-column"></div>\n</div>\n\n\n\n<div class="is-layout-flex wp-container-18 wp-block-columns alignwide">\n<div class="is-layout-flow wp-') /volume1/web/wordpress/wp-includes/shortcodes.php:227
    1.2524    6094984  15. do_shortcode_tag($m = [0 => '[mytheme_product_price id="11"]', 1 => '', 2 => 'mytheme_product_price', 3 => ' id="11"', 4 => '', 5 => '', 6 => '']) /volume1/web/wordpress/wp-includes/shortcodes.php:227
    1.2524    6095368  16. mytheme_product_price_shortcode($atts = ['id' => '11'], '', 'mytheme_product_price') /volume1/web/wordpress/wp-includes/shortcodes.php:355