Description

While attempting to connect and travel to a new server, the client's NetDriver will be shutdown, and a new pending net driver created (in UEngine::Browse). When the original NetDriver is destroyed, the instance's NetMode will be considered as NM_Standalone for a time. During this period, the AI character's movement component may still have SmoothClientPosition called on it, causing the GetNetMode() != NM_Standalone check to fail.

Steps to Reproduce

In a game with AI controlled characters with character movement components, have a client instance travel from one server to another, such as by using the "open" command or by calling ClientTravel.
This will result in the GetNetMode() != NM_Standalone check failing in UCharacterMovementComponent::SmoothClientPosition.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-185687 in the post.

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Fixed
ComponentUE - Gameplay - Player Movement
Affects Versions5.2
Target Fix5.3
Fix Commit25517490
Main Commit25517490
CreatedMay 11, 2023
ResolvedMay 17, 2023
UpdatedMay 19, 2023
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