So this is an AIR app? Are you using mx:Window or s:Window? Or have you subclassed one of those Window components? Is the DataGrid loaded via a module? It sounds like its moduleFactory is not pointing to the module.
On 5/7/10 8:57 AM, "Jeff" <[email protected]> wrote: Hello, I've got a modular application where I popup a TitleWindow for an import Wizard. From there, I try to open a Window with a DataGrid inside. In addition to a bunch of cFF font warnings, this error is thrown: TypeError: Error #1007: Instantiation attempted on a non-constructor. at mx.controls.dataGridClasses::DataGridHeader/updateDisplayList()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\controls\dataGridClasses\DataGridHeader.as:329] at mx.core::UIComponent/validateDisplayList()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8531] at mx.managers::LayoutManager/validateClient()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:932] at mx.core::UIComponent/validateNow()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\core\UIComponent.as:7631] at mx.controls.dataGridClasses::DataGridBase/updateDisplayList()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\controls\dataGridClasses\DataGridBase.as:594] at mx.controls::DataGrid/updateDisplayList()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\controls\DataGrid.as:1741] at mx.controls.listClasses::ListBase/validateDisplayList()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\controls\listClasses\ListBase.as:3962] at mx.managers::LayoutManager/validateDisplayList()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:663] at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:736] at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1072] The specific line that throws the exception is: var headerBGSkin:IFlexDisplayObject = new headerBGSkinClass(); Anyone got a clue? I'm able to bring the spreadsheet up in my TitleWindow without issues, but when I try to put it in its own window. all hell breaks loose. Jeff -- Alex Harui Flex SDK Team Adobe System, Inc. http://blogs.adobe.com/aharui
