# Can not open window

**URL:** <https://forum.inductiveautomation.com/t/can-not-open-window/18607>\
**Category:** Ignition\
**Created:** [June 25, 2018, 1:31pm UTC](https://forum.inductiveautomation.com/t/can-not-open-window/18607 "2018-06-25T13:31:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DNal](https://avatars.discourse-cdn.com/v4/letter/d/ba9def/32.png) [@DNal](https://forum.inductiveautomation.com/u/DNal)\
**Post date:** [June 25, 2018, 1:31pm UTC](https://forum.inductiveautomation.com/t/can-not-open-window/18607/1 "2018-06-25T13:31:48Z")

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I get an Unable to open window. When I try to open this window.

SerializationException: Unexpected parsing error during binary deserialization.  
caused by IOExceptionWithCause: java.lang.ClassNotFoundException: com.inductiveautomation.factorypmi.plugins.reporting.components.ReportPanel  
caused by ClassNotFoundException: com.inductiveautomation.factorypmi.plugins.reporting.components.ReportPanel

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**Author:** ![KathyApplebaum](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kathyapplebaum/32/7261_2.png) [@KathyApplebaum](https://forum.inductiveautomation.com/u/KathyApplebaum)\
**Post date:** [June 25, 2018, 1:57pm UTC](https://forum.inductiveautomation.com/t/can-not-open-window/18607/2 "2018-06-25T13:57:33Z")

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Do you have the reporting module installed?

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**Author:** ![DNal](https://avatars.discourse-cdn.com/v4/letter/d/ba9def/32.png) [@DNal](https://forum.inductiveautomation.com/u/DNal)\
**Post date:** [June 25, 2018, 2:24pm UTC](https://forum.inductiveautomation.com/t/can-not-open-window/18607/3 "2018-06-25T14:24:47Z")

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Hi Yes the issue was that the report module had faulted. I removed the module and downloaded a one and that fixed it. thanks for your help.