[求助] Wordpress 插件激活引发致命错误

wordpress 主题需要安装高级自定义字段插件( Advanced Custom Fields plugin)，安装之后却无法使用。

请问怎么解决？

报错： Uncaught Error: Cannot unset string offsets in /www/wwwroot/www.yuyang.red/wp-includes/class-wp-customize-widgets.php:1130 Stack trace: #0 /www/wwwroot/www.yuyang.red/wp-includes/class-wp-hook.php(288): WP_Customize_Widgets->preview_sidebars_widgets('') #1 /www/wwwroot/www.yuyang.red/wp-includes/plugin.php(206): WP_Hook->apply_filters('', Array) #2 /www/wwwroot/www.yuyang.red/wp-includes/widgets.php(998): apply_filters('sidebars_widget...', '') #3 /www/wwwroot/www.yuyang.red/wp-includes/class-wp-customize-widgets.php(378): wp_get_sidebars_widgets() #4 /www/wwwroot/www.yuyang.red/wp-includes/class-wp-customize-widgets.php(355): WP_Customize_Widgets->customize_register() #5 /www/wwwroot/www.yuyang.red/wp-includes/class-wp-hook.php(288): WP_Customize_Widgets->schedule_customize_register(Object(WP_Customize_Manager)) #6 /www/wwwroot/www.yuyang.red/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters('', Array) #7 /www/wwwroot/www.yuyang.red/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #8 /www/wwwr in /www/wwwroot/www.yuyang.red/wp-includes/class-wp-customize-widgets.php on line 1130

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