vulkan bug with 4.19p4

To reproduce this,simply:
1.create a third person template

2.set the android settings in the project setting like the screenshot below

3.pakage for android(astc)

I have tested this on MI MIX2,the game will crash immediately(I think it may have something to do with vulkan change in 4.19)

Here’s the crash log:[link text][2]

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks

Thanks.I have followed that link and post the issue,how can I track that progress?