Unreal Engine Issues and Bug Tracker (UE-52270)

Description

Creating a Sequence with an event track that calls SetPlaybackPosition to a time prior to the event key will cause a crash 100% of the time. This will occur even if the event is set up to only fire once.

Steps to Reproduce

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Callstack

UE4Editor_MovieScene!FMovieSceneExecutionTokens::Apply() moviesceneexecutiontokens.cpp:60
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::EvaluateGroup() moviesceneevaluationtemplateinstance.cpp:269
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::Evaluate() moviesceneevaluationtemplateinstance.cpp:254
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateMovieSceneInstance() moviescenesequenceplayer.cpp:425
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateTimeCursorPosition() moviescenesequenceplayer.cpp:411
UE4Editor_MovieScene!UMovieSceneSequencePlayer::execSetPlaybackPosition() moviescenesequenceplayer.h:93
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:732
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() scriptcore.cpp:2167
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:856
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::ProcessEvent() scriptcore.cpp:1314
UE4Editor_Engine!AActor::ProcessEvent() actor.cpp:693
UE4Editor_MovieSceneTracks!FEventTrackExecutionToken::TriggerEvent() moviesceneeventtemplate.cpp:154
UE4Editor_MovieSceneTracks!FEventTrackExecutionToken::Execute() moviesceneeventtemplate.cpp:71
UE4Editor_MovieScene!FMovieSceneExecutionTokens::Apply() moviesceneexecutiontokens.cpp:53
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::EvaluateGroup() moviesceneevaluationtemplateinstance.cpp:269
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::Evaluate() moviesceneevaluationtemplateinstance.cpp:254
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateMovieSceneInstance() moviescenesequenceplayer.cpp:425
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateTimeCursorPosition() moviescenesequenceplayer.cpp:411
UE4Editor_MovieScene!UMovieSceneSequencePlayer::execSetPlaybackPosition() moviescenesequenceplayer.h:93
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:732
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() scriptcore.cpp:2167
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:856
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::ProcessEvent() scriptcore.cpp:1314
UE4Editor_Engine!AActor::ProcessEvent() actor.cpp:693
UE4Editor_MovieSceneTracks!FEventTrackExecutionToken::TriggerEvent() moviesceneeventtemplate.cpp:154
UE4Editor_MovieSceneTracks!FEventTrackExecutionToken::Execute() moviesceneeventtemplate.cpp:71
UE4Editor_MovieScene!FMovieSceneExecutionTokens::Apply() moviesceneexecutiontokens.cpp:53
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::EvaluateGroup() moviesceneevaluationtemplateinstance.cpp:269
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::Evaluate() moviesceneevaluationtemplateinstance.cpp:254
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateMovieSceneInstance() moviescenesequenceplayer.cpp:425
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateTimeCursorPosition() moviescenesequenceplayer.cpp:411
UE4Editor_MovieScene!UMovieSceneSequencePlayer::execSetPlaybackPosition() moviescenesequenceplayer.h:93
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:732
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() scriptcore.cpp:2167
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:856
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::ProcessEvent() scriptcore.cpp:1314
UE4Editor_Engine!AActor::ProcessEvent() actor.cpp:693
UE4Editor_MovieSceneTracks!FEventTrackExecutionToken::TriggerEvent() moviesceneeventtemplate.cpp:154
UE4Editor_MovieSceneTracks!FEventTrackExecutionToken::Execute() moviesceneeventtemplate.cpp:71
UE4Editor_MovieScene!FMovieSceneExecutionTokens::Apply() moviesceneexecutiontokens.cpp:53
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::EvaluateGroup() moviesceneevaluationtemplateinstance.cpp:269
UE4Editor_MovieScene!FMovieSceneRootEvaluationTemplateInstance::Evaluate() moviesceneevaluationtemplateinstance.cpp:254
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateMovieSceneInstance() moviescenesequenceplayer.cpp:425
UE4Editor_MovieScene!UMovieSceneSequencePlayer::UpdateTimeCursorPosition() moviescenesequenceplayer.cpp:411
UE4Editor_MovieScene!UMovieSceneSequencePlayer::execSetPlaybackPosition() moviescenesequenceplayer.h:93
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:732
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() scriptcore.cpp:2167
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UObject::CallFunction() scriptcore.cpp:856
UE4Editor_CoreUObject!UObject::ProcessInternal() scriptcore.cpp:954
UE4Editor_CoreUObject!UFunction::Invoke() class.cpp:4509

Community References

Fix UE-51650

"Session Disconnected" UEFN

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Undefined sysmbol: typeinfo for AActor when cross-compile linux dedicated server on windows

Bonjour j'ai un petit problème c'est que je ne vois plus l'onglet "scability" pour changer les graphismes de uefn et j'ai pas trouvé l'option pour le faire revenir ?

How can i modify the param name in EQS node

Error UE5 5.0.3

Bullet replication problem. The players sees each other but does not see the bullet

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Fixed

Component	UE - Anim - Sequencer
Affects Versions	4.17, 4.18, 4.19
Target Fix	4.19

Fix Commit	3764055
Main Commit	3800998
Release Commit	3813083

Created	Nov 10, 2017
Resolved	Nov 17, 2017
Updated	Apr 27, 2018

View Jira Issue

UE-52270

Using a Sequencer event track to set playback position to a time before the event will cause an infinite loop

Using a Sequencer event track to set playback position to a time before the event will cause an infinite loop

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