WordPress博客未显示，我安装了Essential Grid，但未用于发布帖子，尝试添加新博客帖子时收到此错误消息。
编译失败：162行/home/easydays/public_html/photoexpressions.ca/wp-content/plugins/js_composer/include/autoload/hook-vc-grid.php中字符类在偏移量11处的无效范围
警告：无法修改标头信息-已发送的标头（输出始于/home/easydays/public_html/photoexpressions.ca/wp-content/plugins/js_composer/include/autoload/hook-vc-grid.php:162 ）在第9行的/home/easydays/public_html/photoexpressions.ca/wp-admin/admin-header.php中