Fatal error when using horses on Siptah

[Stickybuds]

Game mode: Online Private
Type of issue: Fatal Error Crash
Server type: PVE
Region: America

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Once we started using horses on the new map everyone is randomly getting fatal errors. We had no fatal errors before using the horses, and once we stopped using the horses no one has crashed again.

It can happen when riding the horse or just having it following you when trying to mine a node.
It has happened right after mounting the horse and starting to ride, and sometimes it won’t happen until several mins of using the horse riding/following.

We have not tested the rhino mounts yet. This is just normal horses.

This is the last lines in the ConanSandbox.log in the crash reports. It is the same every crash.

BP_NPC_Mounts_Horse_C.PushCharacterOut
BP_NPC_Mounts_Horse_C.ExecuteUbergraph_BP_NPC_Mounts_Horse
BP_NPC_Mounts_Horse_C.BndEvt__PushAway_K2Node_ComponentBoundEvent_0_ComponentBeginOverlapSignature__DelegateSignature
BP_NPC_Mounts_Horse_C.PushCharacterOut
BP_NPC_Mounts_Horse_C.ExecuteUbergraph_BP_NPC_Mounts_Horse
BP_NPC_Mounts_Horse_C.BndEvt__PushAway_K2Node_ComponentBoundEvent_0_ComponentBeginOverlapSignature__DelegateSignature

It repeats that about 500 times at the end of the log.

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Please provide a step-by-step process of how the bug can be reproduced. The more details you provide us with the easier it will be for us to find and fix the bug:

1. Acquire a horse mount
2. Ride or have horse follow you
3. Randomly get a fatal error after some time having the horse following you or riding it.

[Narelle]

I am sorry but I am not seeing it in your report. Are you running mods and does it happen without them?

[Stickybuds]

Follow up. I looks like the Hotfix 2.0.2 might have fixed this issue. We have not had anymore fatal error crashes when using horses since that patch.

[Ignasi]

This was a mod related issue. We released a devkit update that fixed some issues with mounts prior to that hotfix.