# Perspective session launch problem

**URL:** <https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [April 28, 2020, 1:27pm UTC](https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265 "2020-04-28T13:27:42Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Subbarao.B](https://avatars.discourse-cdn.com/v4/letter/s/22d042/32.png) [@Subbarao.B](https://forum.inductiveautomation.com/u/Subbarao.B)\
**Post date:** [April 28, 2020, 1:27pm UTC](https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265/1 "2020-04-28T13:27:42Z")

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**while launching perspective view showing this error. pls help me to sort it out**

 ![error%20in%20perspective%20launch%20session%20001](https://us1.discourse-cdn.com/inductiveautomation/original/2X/b/b5a5631e090d00926ed416cf630ee072ada45b0e.png)

[details=“Summary”]

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**Author:** ![PerryAJ](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/perryaj/32/3281_2.png) [@PerryAJ](https://forum.inductiveautomation.com/u/PerryAJ)\
**Post date:** [April 28, 2020, 3:25pm UTC](https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265/2 "2020-04-28T15:25:18Z")

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Not something I have seen - can you post the full error message (stack)?

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<div class="post-metadata">

**Author:** ![Subbarao.B](https://avatars.discourse-cdn.com/v4/letter/s/22d042/32.png) [@Subbarao.B](https://forum.inductiveautomation.com/u/Subbarao.B)\
**Post date:** [April 29, 2020, 6:21am UTC](https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265/3 "2020-04-29T06:21:53Z")

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![perspective%20error%20launchurl](https://us1.discourse-cdn.com/inductiveautomation/original/2X/b/b2dd873c0c269c1b36a926925ac1c15c78f7b161.png)

This is error message i am getting while launch url in perspective

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<div class="post-metadata">

**Author:** ![Subbarao.B](https://avatars.discourse-cdn.com/v4/letter/s/22d042/32.png) [@Subbarao.B](https://forum.inductiveautomation.com/u/Subbarao.B)\
**Post date:** [April 29, 2020, 6:40am UTC](https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265/4 "2020-04-29T06:40:55Z")

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![detailed%20errorsin%20launch%20url](https://us1.discourse-cdn.com/inductiveautomation/original/2X/3/3bd8940b4f0cdd098e9812f25eaa5e919adea549.png)

Detailed error message:!

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<div class="post-metadata">

**Author:** ![PerryAJ](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/perryaj/32/3281_2.png) [@PerryAJ](https://forum.inductiveautomation.com/u/PerryAJ)\
**Post date:** [April 29, 2020, 5:34pm UTC](https://forum.inductiveautomation.com/t/perspective-session-launch-problem/34265/5 "2020-04-29T17:34:57Z")

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Ok, so it’s failing when trying to launch a session, not in the designer itself.

I have not seen that issue. In asking some of our devs that use Windows, they suggested checking to see if you have a default browser set in the operating system.

I assume that visiting the url directly by entering it into your browser is working correctly?