Deleting Animation Frames causes Crash

When I try to delete frames in an animation, the engine crashes. I know a hotfix is coming soon, didn’t know if this is a known issue or not.

Hi mdmoberly,

Can you send me the callstack from your crash report? Can you try deleting frames from a Third Person Template project and let me know if it occurs there too? I’d like to see if there are any additional parameters besides deleting frames because it isn’t occurring for me.

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Sorry for the delay. I have had a chance to delete animation frames in a Third Person Template project, and the crash does not occur… I thought it may have had something to do with it being a root motion animation so I migrated it over, and still no crash. I then went back and repeated the same process for my original project just as before, but this time it did not crash… Strange because it was pretty consistent last time…

Where can I find the callstack from my crash report?

It might be in your logs. Project/Saved/Logs

You’ll probably want to look for one that has “Assertion Failed” in it. Either way, I looked some of your crashes up using your EpicID. Do you remember what day it was crashing? I have a few different crashes for you this month.

The crashes would be from the same day I posted this question; I believe last Monday.

I do know that it crashed 3 times in a row within a 15 minute window, and all were because of the frame deletion.

I will add that I duplicated a root motion animation and then attempted to delete frames x-xxx and that process is what initiated the crash as far as I could tell.

Alright, well I’ve found them, but they all have slightly different callstacks.

Can you migrate the offending animations (with and mesh) to a Blank Project and send it to me? You can PM me a download link on the forums if you’d rather keep it private or if it is marketplace content.

Hi mdmoberly,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will follow up.

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I have the same issue and it is consistent - every time I try to delete frames from the animation I got exported from my metahuman performance the app crashes

I’m having the same issue also. Deleting frames, the engine crashes.