JavaScript异常：未捕获TypeError：将循环结构转换为JSON

I hava JSON object :

我hava JSON对象：

[#1={id:"2012-05-04", title:"Scheduled", start:(new Date(1336096800000)), source:{events:[#1#], className:[]}, _id:"2012-05-04", _start:(new Date(1336089600000)), end:null, _end:null, allDay:true, className:[]}]
[#1={id: