未捕获异常：未捕获类型错误：win.doc.getCSSCanvasContext不是（compiled_code）处的函数
未捕获的类型错误：win.doc.getCSSCanvasContext不是函数
在向列表控件添加文本控件或按钮控件后，我得到了上述异常。这是我的代码，请建议。
<list collapsible="true" hideEmpty="true" id="WorkExecution.TaskDetailView_totalWOAssetMeters_list" label="Inspection Components" resource="totalWOAssetMeters" showHeader="true">
<listItemTemplate cssClass=".mblListItem" id="WorkExecution.TaskDetailView_totalWOAssetMeters_listItemTemplate_MeterList" layout="InspMeterList">
<listtext id="WorkExecution.TaskDetailView_totalWOAssetMeters_MeterList_metername" layoutInsertAt="item1" resourceAttribute="metername"/>
<listtext id="WorkExecution.TaskDetailView_totalWOAssetMeters_MeterList_meterdesc" layoutInsertAt="item2" resourceAttribute="meterdesc"/>
**<button label="Test" id="WorkExecution.TaskDetailView_totalWOAssetMeters_MeterList_more" layoutInsertAt="button1" />**
<eventHandlers id="WorkExecution.TaskDetailView_totalWOAssetMeters_listItemTemplate_MeterList_eventHandlers">
<eventHandler class="application.handlers.MetersListHandler" event="click" id="WorkExecution.TaskDetailView_totalWOAssetMeters_listItemTemplate_MeterList_eventHandlers_click_setAssetResource" method="setAssetResource"/>
</eventHandlers>
</listItemTemplate>
<eventHandlers id="WorkExecution.TaskDetailView_totalWOAssetMeters_list_eventHandlers">
<eventHandler class="application.com.Inspection.handlers.InspectionMetersListHandler" event="render" id="WorkExecution.TaskDetailView_totalWOAssetMeters_list_eventHandlers_render_hideOrShowAssetMeters" method="hideOrShowAssetMeters"/>
</eventHandlers>
</list>
这是最新版本的Chrome和Anywhere中的一个已知错误。请打开PMR，我们可以向您发送iFix