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Crash on Opening the Particle Editor

I was at the ending point of my project (it was missing the final touches as particles) and this has began to happen...I just can't open the Particle Editor... It gives me this error (I'm desperate - please help!!!):

MachineId:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx EpicAccountId:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Access violation - code c0000005 (first/second chance not available)

UE4Editor_Engine + 3511064 bytes UE4Editor_Cascade + 298285 bytes UE4Editor_Engine + 8914859 bytes UE4Editor_Engine + 14725161 bytes UE4Editor_Engine + 14663027 bytes UE4Editor_Slate + 1591693 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_Slate + 2349208 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 812130 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_Slate + 2362663 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_Slate + 2362663 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_Slate + 2362663 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 812130 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_Slate + 2349208 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 812130 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_Slate + 2362663 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 812130 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816058 bytes UE4Editor_SlateCore + 812444 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 812130 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 811484 bytes UE4Editor_SlateCore + 814797 bytes UE4Editor_SlateCore + 816358 bytes UE4Editor_Slate + 575737 bytes UE4Editor_Slate + 577044 bytes UE4Editor_Slate + 833169 bytes UE4Editor_Slate + 949817 bytes UE4Editor!FEngineLoop::Tick() + 4320 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:2267] UE4Editor!GuardedMain() + 479 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:131] UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202] UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

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asked Dec 30 '14 at 11:48 AM in Using UE4

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pedrodacruz
106 6 9 15

avatar image Jonathan Dorman STAFF Dec 30 '14 at 04:00 PM

Hey pedrodacruz,

It's possible there's a problem with a particle effect in your project. Can you open Cascade (the particle editor) in any other project, or does it always crash?

avatar image pedrodacruz Dec 30 '14 at 06:49 PM

Indeed I can open Cascade in other projects...but... how can I fix this issue?

avatar image Jonathan Dorman STAFF Dec 30 '14 at 07:53 PM

The first thing I'd try is removing your particle effects. Move the particle effects from your project to somewhere else on your computer, then try again to open Cascade.

Oftentimes, with a crash like this, the cause is a corrupt asset. I suspect that one of your particle effects is corrupt, and so you'll have to recreate that one. If moving the particle effect out of the project allows you to open Cascade, then that will show you that that particle effect is the culprit.

avatar image pedrodacruz Dec 30 '14 at 08:16 PM

I had only two particles... it was easy to remove but the Cascade is not opening yet...

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Your crash report says that you're only seeing this crash in the 4.7 preview, is that right? And opening Cascade in other projects in 4.7 is not a problem?

Because the crash is happening only in one project, that means that the problem must be in this project. If it's not a corrupt particle, that means that another asset is corrupt - possibly a blueprint - or there is some setting in your project that is causing an error with Cascade.

The most helpful solution would probably be to migrate assets over to another project that doesn't exhibit this crash. If migrating a certain asset caused the crash to surface in the new project, you'd know that that asset is the problem. If migrating all the assets results in a non-crashing version of the project, then the problem is solved.

Another option would be to try moving/removing your config files and assets until the crash stops occurring.

If you had a series of steps that could reproduce the crash, we could use that to find the cause. Without reproduction steps, however, we're stuck with trial and error.

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answered Dec 30 '14 at 09:52 PM

avatar image pedrodacruz Dec 31 '14 at 12:14 AM

Indeed my project not even open on older versions... so... yes... I've tried to do the "downgrade" but it didn't work. I'm trying another approach: I've created a new empty project and transferred the files from original project and the problem has not happened until now...

Thank you very much! :)

..............

I 've found! The config that was causing the problem was: Project Settings --> General Settings --> Medium Font (was none, but after I fill a font the problem stopped)

Problem Soved!!! Thanks!!!!

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