# Fail create session after add c++ class

**URL:** <https://forums.unrealengine.com/t/fail-create-session-after-add-c-class/39175>\
**Category:** C++\
**Tags:** unreal-engine\
**Created:** [August 20, 2015, 8:38pm UTC](https://forums.unrealengine.com/t/fail-create-session-after-add-c-class/39175 "2015-08-20T20:38:48Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![anonymous\_user\_c3be8074](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_c3be8074](https://forums.unrealengine.com/u/anonymous_user_c3be8074)\
**Post date:** [August 20, 2015, 9:05pm UTC](https://forums.unrealengine.com/t/fail-create-session-after-add-c-class/39175/4 "2015-08-20T21:05:08Z")

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As I already didn’t work with the online subsystem I might not give a correct answer. But perhaps this might help:

> **[Failed to Create Session](https://forums.unrealengine.com/questions/160568/failed-to-create-session.html)**
>
> Hi I tried to create an online session with the create session node. hooked up everything fine. on debugging ther error i found the error “net driver already exists” . can someone shed some light on this

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>
> After over a year in maintenance mode, the official Unreal Engine Wiki is now permanently offline. These resources now live on a new community-run Unreal Engine Community Wiki — https://unrealcommunity.wiki/! You will be able to find content from...

Sorry that I can’t help you more.

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