# Nav Helper system.nav.openWindowInstace

**URL:** <https://forum.inductiveautomation.com/t/nav-helper-system-nav-openwindowinstace/1825>\
**Category:** Ignition\
**Created:** [May 8, 2010, 8:27am UTC](https://forum.inductiveautomation.com/t/nav-helper-system-nav-openwindowinstace/1825 "2010-05-08T08:27:09Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![choy](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/choy/32/4190_2.png) [@choy](https://forum.inductiveautomation.com/u/choy)\
**Post date:** [June 1, 2017, 9:17am UTC](https://forum.inductiveautomation.com/t/nav-helper-system-nav-openwindowinstace/1825/14 "2017-06-01T09:17:07Z")

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Thanks Kyle\_Chase,

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It says that AttributeError: ‘str’ object has no attribute ‘name’  
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