关于ajaxanywhere出错的问题

请问高手我用ajaxanywhere时后台能访问数据库也能输出到控制台上可在ＷＥＢ页面就出现这样的出错提示窗口，AjaxAnywhere defult error handler. XMLHttpRequest HTTP Error code:500
Would you like to view the response content in a new window?这是窗口输出来的，请问这是怎么回事呀，谢谢了高手们!!!!!!