Warning: Trying to access array offset on false in /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-content/plugins/facebook-like-thumbnail/facebook-like-thumbnail.php on line 36
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method social_facebook_ftgssbfw::register() cannot be called statically in /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#1 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/plugin.php(517): WP_Hook->do_action()
#2 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/widgets.php(1862): do_action()
#3 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/class-wp-hook.php(324): wp_widgets_init()
#4 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#5 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/plugin.php(517): WP_Hook->do_action()
#6 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-settings.php(695): do_action()
#7 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-config.php(170): require_once('/homepages/1/d4...')
#8 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-load.php(50): require_once('/homepages/1/d4...')
#9 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-blog-header.php(13): require_once('/homepages/1/d4...')
#10 /homepages/1/d411844504/htdocs/rt-aranjuez/blog/index.php(17): require('/homepages/1/d4...')
#11 {main}
thrown in /homepages/1/d411844504/htdocs/rt-aranjuez/blog/wp-includes/class-wp-hook.php on line 324