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Any change made in Widget crashes project after restart

For some reason one widget crashes an entire project - but not instantly but only when restarting the project (I had the same problem with other widget). It seams it doesn't matter what I change to trigger this (I event disconnected all nodes and it still crashing).

The widget is used as a widget component within Character BP (it is a Cross-hair to be exact).

Also for some reason deleting widget component on this Character BP also causes such crashes. It's like I can't do anything with those widgets any more.

Product Version: UE 4.15
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asked Apr 09 '17 at 03:03 PM in Bug Reports

Gomo gravatar image

Gomo
71 4 3

vanlacke gravatar image vanlacke Apr 09 '17 at 04:54 PM

Crash logs?

Gomo gravatar image Gomo Apr 09 '17 at 07:13 PM
crashlog.rar (215.7 kB)
Rudy Triplett gravatar image Rudy Triplett ♦♦ STAFF Apr 10 '17 at 02:13 PM

Hello Gomo,

I have a few questions for you that will help narrow down what issue it is that you are experiencing.

Quick questions:

  1. Can you reproduce this issue in a clean project?

  2. If so, could you provide a detailed list of steps to reproduce this issue on our end?

  3. Could you provide screen shots of any settings/blueprints/widgets that may be involved with this issue?

  4. Was this project upgraded from an older version of the engine?

  5. If so, could you try deleting your saved and intermediate folders before upgrading and see if the issue still occurs?

Gomo gravatar image Gomo Apr 10 '17 at 07:05 PM
  1. I can't. From my perspective it is random - I recenty added new idget to this character so I basically reproduced all steps - it worked and at one point it started to causes crashes.

  2. No - look at 1.

  3. UMGSettingsUse in CharacterUse in Character 2Use in WeaponAs you can see this setup is quite simple (I had to set location of this second widget in Weapon because it crashed even more)

  4. It was upgraded many times since 4.2 or 4.3.

  5. I've already upgaded it - I could try to revert to changes from before upgrade and thend switch back to 4.14 and then make upgrade - but as it could take long time, I'll try to wait, maybe you can make up some better solution after reading what I provided in this post.

Rudy Triplett gravatar image Rudy Triplett ♦♦ STAFF Apr 11 '17 at 02:46 PM

Hello Gomo,

Could you provide a stripped down version of your project that still reproduces the crash so that I could take a closer look? If you would like to provide it privately, you could do so by sending it via a drop box or google drive link in a private message on the forums.

Gomo gravatar image Gomo Apr 11 '17 at 07:20 PM

I'll try to prepare something like that but maybe in a few days as it will probably take some time - last time I tried to do migrate of my Main Character almost all my blueprints and related content was migrated.

Rudy Triplett gravatar image Rudy Triplett ♦♦ STAFF Apr 17 '17 at 06:26 PM

I wanted to check in and see if you had made any progress on preparing a stripped down version of the project so that I could take a closer look?

Gomo gravatar image Gomo Apr 17 '17 at 07:40 PM

I wanted to do this today, but recently I've discovered some bug which causes my game to crash after opening video. Finally I narrowed it down to potential 4 files - so probably I'll fix it tonight but this debug build I'll have to make it later.

Gomo gravatar image Gomo Apr 18 '17 at 07:39 PM

I found asset causing new crash - it turns out that between older version and new version there were no differences (at least according to diff tool) - so another crazy bug in my project. Also just finished stripping debug project from unnecessary files - and unfortunately crashing widget works just fine - I'm starting from the beginning...

Gomo gravatar image Gomo Apr 18 '17 at 08:04 PM

OK, now my project reports several compilation error (no changes from yesterday when everything worked fine) - i'ts like compilation errors from debug project was infecting original project. Is there some shared cache based on names, which could screw this up?

Gomo gravatar image Gomo 6 days ago

Finally reinstalling engine worked. I turns out whatever I did, it damaged all projects. Today I'll try to make Debuging project again.

Gomo gravatar image Gomo 6 days ago

I've sent you a PM on the forum.

Rudy Triplett gravatar image Rudy Triplett ♦♦ STAFF 5 days ago

I took a look at the project provided. I followed the steps provided in the message on the forums. However, I was unable to get the project to crash. Could you test the zipped down version of the project provided so insure that the steps provided still cause the crash to happen?

Gomo gravatar image Gomo 5 days ago

I unzipped the file - reproduced the steps and crashed. So I suppose it is something wrong with my system - I'll try tomorrow at work. Beside that, any ideas?

Rudy Triplett gravatar image Rudy Triplett ♦♦ STAFF 5 days ago

Could you try verifying your engine?

Example:

alt text

Gomo gravatar image Gomo 5 days ago

Verified - no warnings. Maybe plugins? Physx (I have various Nvidia builds installed and also experiencing crashes when using apex in 3ds max)?

Gomo gravatar image Gomo 4 days ago

At work I have no crashes - so it seams it is something wrong with my home computer/system.

Rudy Triplett gravatar image Rudy Triplett ♦♦ STAFF 14 hours ago

Additional questions:

  1. Could you provide your dxdiag so that I could take a closer look?

  2. Have you recently updated to the windows 10 creators update?

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