Fatal error: Uncaught Error: Call to a member function enqueue_frontend_resources() on null in /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/DisplayedGallery/Renderer.php:354
Stack trace:
#0 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/DisplayedGallery/Renderer.php(247): Imagely\NGG\DisplayedGallery\Renderer->render(Object(Imagely\NGG\DataTypes\DisplayedGallery), true)
#1 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/Display/Shortcodes.php(216): Imagely\NGG\DisplayedGallery\Renderer->display_images(Array, '')
#2 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/Display/Shortcodes.php(305): Imagely\NGG\Display\Shortcodes->render_legacy_shortcode(Array, '')
#3 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/Display/Shortcodes.php(224): Imagely\NGG\Display\Shortcodes->render_shortcode(Array, Array, '')
#4 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/Display/Shortcodes.php(198): Imagely\NGG\Display\Shortcodes->execute_found_shortcode('0')
#5 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/class-wp-hook.php(307): Imagely\NGG\Display\Shortcodes->parse_content('ngg_shortcode_0...')
#6 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/plugin.php(191): WP_Hook->apply_filters('ngg_shortcode_0...', Array)
#7 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/blocks/post-content.php(55): apply_filters('the_content', '[nggallery id=2...')
#8 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/class-wp-block.php(255): render_block_core_post_content(Array, '[nggallery id=2...', Object(WP_Block))
#9 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/class-wp-block.php(241): WP_Block->render()
#10 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/blocks.php(919): WP_Block->render()
#11 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/blocks.php(957): render_block(Array)
#12 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/block-template.php(242): do_blocks('<!-- wp:templat...')
#13 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/template-canvas.php(12): get_the_block_template_html()
#14 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-includes/template-loader.php(106): include('/customers/f/4/...')
#15 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-blog-header.php(19): require_once('/customers/f/4/...')
#16 /customers/f/4/1/frankzacher.de/httpd.www/wordpress/index.php(17): require('/customers/f/4/...')
#17 {main}
  thrown in /customers/f/4/1/frankzacher.de/httpd.www/wordpress/wp-content/plugins/nextgen-gallery/src/DisplayedGallery/Renderer.php on line 354