UE4.5.1 crashes on editor launch (OSX Yosemite)

Development Platform & Builds
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1

Branch: Binary
Build version: 4.5.1-2336687

Detailed description of the issue: Project can’t be opened anymore. Launch it out of the Unreal Editor Launcher and it crashes: Exception was "SIGSEGV: invalid attempt to access memory at address 0x76d"

Repro Steps

  • Create new Project (Blueprint-Empty)

  • add new Actor-Class

  • open Xcode (6.1)

  • compile in Xcode

  • Game works fine

  • its possible to close and open the project again.

  • Added some Code (only OnScreenDebugMessage)

  • Compile inside Editor → works fine, message is visible when i start the game

  • but when i close the project, i can’t open it anymore it always crashes.

System Specs: MacBookPro (15’’ late 2011), i7 2.5GHz, 8GB Ram, AMD Radeon HD 6770m, OSX Yosemite 10.10, Xcode 6.1

2

There is a similar issue reported here. Please check it out and share your experience on that post, so Epic can better track it and solve it faster.

3

I’m not sure if its the same problem… i don’t think so its an graphics issue.
I can launch the editor without problem, the problem comes after a while when I compile some code. after that i cant open the project anymore, the editor is not the problem but the project.

4

Hi TRX,

Can you provide information about the Actor class you are creating as well as a screenshot of the blueprint. Also could you provide the .h and .cpp files associated with the project?

Thanks

5

Okay i found the problem… was in the end my fault.
I had some GEngine-code in the actor-constructor and didn’t check if its valid…
(which is both very wrong :D).
Found it out when i started the debug-editor out of Xcode.

Still learning, but anyway thanks!

6

Thanks for sharing your solution and keeping us udated.