Unreal Engine Issues

UE-54624

Crash Occurs When Simulating in Editor and Copying Camera Key in One Sequence Then Opening a Second Sequence

Crash Occurs When Simulating in Editor and Copying Camera Key in One Sequence Then Opening a Second Sequence

EPS
Description

-When opening a sequence while simulating in editor and copying a key and changing sequences leads to a crash
-Does not proved callstack - but one is available in the UDN link (See SequencerCrashB)
-Crashes in Main just switching between sequences while simulating

Related: https://jira.it.epicgames.net/browse/UE-54620

Steps to Reproduce
  1. Open attached project
  2. Simulate in editor
  3. Open Sequence_A
  4. Open Sequence_B
  5. Notice alternating between these does not cause a crash
  6. In Sequence_A copy a one of the keys
  7. Open Sequence_B
  8. Observe crash

Expected: Copying a key in sequencer while simulating in editor and then opening a different sequence does not lead to a crash

Results: Copying a key in sequencer while simulating in editor and then opening a different sequence leads to a crash

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Fixed
ComponentUE - Anim - Sequencer
Affects Versions4.17.2, 4.18.3, 4.20
Target Fix4.19
Fix Commit3863696
Main Commit3990065
Release Commit3863696
CreatedJan 30, 2018
ResolvedJan 30, 2018
UpdatedApr 27, 2018
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