# Crash when trying to Package Project \[log included\]

**URL:** <https://forums.unrealengine.com/t/crash-when-trying-to-package-project-log-included/319003>\
**Category:** Platform & Builds\
**Tags:** unreal-engine, crash, package-project, question\
**Created:** [May 18, 2015, 1:33pm UTC](https://forums.unrealengine.com/t/crash-when-trying-to-package-project-log-included/319003 "2015-05-18T13:33:59Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Krakean\_1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Krakean\_1](https://forums.unrealengine.com/u/Krakean_1)\
**Post date:** [May 18, 2015, 1:33pm UTC](https://forums.unrealengine.com/t/crash-when-trying-to-package-project-log-included/319003/1 "2015-05-18T13:33:59Z")

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Hello.  
There is a crash happens whne I trying to File-\>Package Project-\>Windows-\>Win64 [valid for today’s 4.9 master and 4.8 preview branch]

Steps to reproduce in my case were simple:

1. Download actual sources from github (4.9 master, for example)
2. Build engine as developer editor (just by default)
3. Run UE4Editor.exe. Create C++ project based on top-down example (with scalable 3D/2D, no starter content).
4. Re-start editor. Click “Build” in Editor. Everything ok.
5. Click “Launch”. Everything ok.
6. Click File-\>Package Project-\>Windows-\>Win64. Crash.

Step to solve the issue is simple too: **manually** delete Saved\Cooked\WindowsNoEditor folder, but _first_ I **have to** close the editor. It’s not hard for me, but I find this behaviour a bit strange.

Here is the log with crash callstack at the end, may be you will find it useful and fix something before final 4.8 release: [http://light-alloy.ru/ue4/crashlog1.txt](http://light-alloy.ru/ue4/crashlog1.txt)

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**Author:** ![wittlief\_1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@wittlief\_1](https://forums.unrealengine.com/u/wittlief_1)\
**Post date:** [May 18, 2015, 5:24pm UTC](https://forums.unrealengine.com/t/crash-when-trying-to-package-project-log-included/319003/2 "2015-05-18T17:24:36Z")

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Hi Krakean,

In attempting to reproduce your crash in 4.8 Preview 2 I got a similar crash; mine occurred during the Launch On stage but was able to recover. To that end however, I believe the crash has something to do with the Launch On as I was able to recover and then package and run the exe as normal.

For reference, the JIRA number for the issue is UE-15769. I will report here with any further information. Thank you for reporting your issue!

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**Author:** ![Krakean\_1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Krakean\_1](https://forums.unrealengine.com/u/Krakean_1)\
**Post date:** [May 18, 2015, 8:02pm UTC](https://forums.unrealengine.com/t/crash-when-trying-to-package-project-log-included/319003/3 "2015-05-18T20:02:21Z")

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Thanks.  
Please, check also another issue - [Navmesh needs to be rebuilt issue [v4.9 master] - World Creation - Epic Developer Community Forums](https://answers.unrealengine.com/questions/229855/navmesh-needs-to-be-rebuilt-issue-v49-master.html)