做好的流程过几天打开报错（SONParseError: String contains unescaped control ch...

以前建好流程，打开没问题，过几天打开报错，新建流程在把原来流程的代码复制进去保存又不不错，请问这个怎么解决？qq:1361229090
JSONParseError: String contains unescaped control character (0x00-0x1F)
        at com.adobe.serialization.json::JSONTokenizer/parseError()
        at com.adobe.serialization.json::JSONTokenizer/unescapeString()
        at com.adobe.serialization.json::JSONTokenizer/readString()
        at com.adobe.serialization.json::JSONTokenizer/getNextToken()
        at com.adobe.serialization.json::JSONDecoder/nextToken()
        at com.adobe.serialization.json::JSONDecoder/parseObject()
        at com.adobe.serialization.json::JSONDecoder/parseValue()
        at com.adobe.serialization.json::JSONDecoder()
        at com.adobe.serialization.json::JSON$/decode()
        at cn.myapps.core.workflow.attribute::AddBaseInfoCanvas/init()
        at cn.myapps.core.workflow.attribute::AddBaseInfoCanvas/___AddBaseInfoCanvas_Canvas1_creationComplete()
        at flash.events::EventDispatcher/dispatchEventFunction()
        at flash.events::EventDispatcher/dispatchEvent()
        at mx.core::UIComponent/dispatchEvent()
        at mx.core::UIComponent/set initialized()
        at mx.managers:ayoutManager/doPhasedInstantiation()
        at Function/http://adobe.com/AS3/2006/builtin::apply()
        at mx.core::UIComponent/callLaterDispatcher2()
        at mx.core::UIComponent/callLaterDispatcher()

跟楼主电话沟通，此问题偶发性，暂时无法重现，同意先结贴，等重现后，我们再跟进