tomwpml

I was able to solve it: The problem was the missing post content widget in my templates… I had to re-apply it manually.

https://docs.elementor.com/article/428-post-content-widget

Ok, thanks! ??

error log

Stack trace:
#0 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(41): require_once()
#1 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(287): elecs_add_skins(Object(Elementor\Widgets_Manager))
#2 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/winlaisy1/domains/neu.de/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(99): do_action(‘elementor/widge…’, Object(Elementor\Widgets_Manager))
#5 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(235): Elementor\Widgets_Manager in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php on line 15
2020-04-08 00:24:21.430484 [NOTICE] [372579] [157.230.109.157:57444#APVH_neu.de:443] [STDERR] PHP Fatal error: Uncaught Error: Class ‘ElementorPro\Modules\Posts\Skins\Skin_Base’ not found in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php:15
Stack trace:
#0 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(41): require_once()
#1 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(287): elecs_add_skins(Object(Elementor\Widgets_Manager))
#2 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/winlaisy1/domains/neu.de/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(99): do_action(‘elementor/widge…’, Object(Elementor\Widgets_Manager))
#5 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(235): Elementor\Widgets_Manager in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php on line 15
2020-04-08 06:18:43.080181 [NOTICE] [442974] [230.122:44202:HTTP2-1#APVH_neu.de:443] [STDERR] PHP Fatal error: Uncaught Error: Class ‘ElementorPro\Modules\Posts\Skins\Skin_Base’ not found in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php:15
Stack trace:
#0 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(41): require_once()
#1 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(287): elecs_add_skins(Object(Elementor\Widgets_Manager))
#2 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/winlaisy1/domains/neu.de/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(99): do_action(‘elementor/widge…’, Object(Elementor\Widgets_Manager))
#5 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(235): Elementor\Widgets_Manager in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php on line 15
2020-04-08 06:18:45.915902 [NOTICE] [442974] [230.122:44202:HTTP2-3#APVH_neu.de:443] [STDERR] PHP Fatal error: Uncaught Error: Class ‘ElementorPro\Modules\Posts\Skins\Skin_Base’ not found in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php:15
Stack trace:
#0 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(41): require_once()
#1 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(287): elecs_add_skins(Object(Elementor\Widgets_Manager))
#2 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/winlaisy1/domains/neu.de/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(99): do_action(‘elementor/widge…’, Object(Elementor\Widgets_Manager))
#5 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(235): Elementor\Widgets_Manager in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php on line 15
2020-04-08 06:31:17.383109 [NOTICE] [442975] [230.122:37685:HTTP2-1#APVH_neu.de:443] [STDERR] PHP Fatal error: Uncaught Error: Class ‘ElementorPro\Modules\Posts\Skins\Skin_Base’ not found in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php:15
Stack trace:
#0 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(41): require_once()
#1 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(287): elecs_add_skins(Object(Elementor\Widgets_Manager))
#2 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/winlaisy1/domains/neu.de/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(99): do_action(‘elementor/widge…’, Object(Elementor\Widgets_Manager))
#5 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(235): Elementor\Widgets_Manager in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php on line 15
2020-04-08 06:44:52.229811 [NOTICE] [356146] [230.122:48534:HTTP2-1#APVH_neu.de:443] [STDERR] PHP Fatal error: Uncaught Error: Class ‘ElementorPro\Modules\Posts\Skins\Skin_Base’ not found in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php:15
Stack trace:
#0 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/ele-custom-skin.php(41): require_once()
#1 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(287): elecs_add_skins(Object(Elementor\Widgets_Manager))
#2 /home/winlaisy1/domains/neu.de/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/winlaisy1/domains/neu.de/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(99): do_action(‘elementor/widge…’, Object(Elementor\Widgets_Manager))
#5 /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/elementor/includes/managers/widgets.php(235): Elementor\Widgets_Manager in /home/winlaisy1/domains/neu.de/public_html/wp-content/plugins/ele-custom-skin/skins/skin-custom.php on line 15
2020-04-09 08:44:09.970701 [INFO] [228267] [122:35327:HTTP2-17#APVH_neu.de:443] Abort request processing by PID:53472, kill: 1, begin time: 0, sent time: 0, req processed: 1
2020-04-09 08:50:10.845151 [INFO] [228267] [230.122:39246:HTTP2-15#APVH_neu.de:443] Abort request processing by PID:295085, kill: 1, begin time: 0, sent time: 0, req processed: 0
2020-04-09 08:50:14.954617 [INFO] [228267] [230.122:39246:HTTP2-65#APVH_neu.de:443] Abort request processing by PID:295743, kill: 1, begin time: 0, sent time: 0, req processed: 1

If it helps: I run PHP 7.4 and I deactivated all themes and plugins but when I activate Elementor Custom Skin 1.4 the site crashes.

Thank you. I followed your advice and it’s working. I also switched from “experimental caching” back to “normal caching”.