Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, string given in /home/.sites/50/site521/web/ecb/wp-content/plugins/cool-timeline/includes/shortcodes/class-ctl-shortcode.php:257
Stack trace:
#0 /home/.sites/50/site521/web/ecb/wp-content/plugins/cool-timeline/includes/shortcodes/class-ctl-shortcode.php(143): CTL_Shortcode->attributes_migration(Array, '')
#1 /home/.sites/50/site521/web/ecb/wp-includes/shortcodes.php(394): CTL_Shortcode->ctl_shortcode_handler('', '', 'cool-timeline')
#2 [internal function]: do_shortcode_tag(Array)
#3 /home/.sites/50/site521/web/ecb/wp-includes/shortcodes.php(266): preg_replace_callback('/\\[(\\[?)(cool\\-...', 'do_shortcode_ta...', '
apply_filters('WordPress › Fehler