CreateProxyObjectForPlayMontage does not report if cannot play

UE - Anim - Rigging - Nov 15, 2018

UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...

ApplyLimits AnimGraph Node has incorrect functionality

UE - Anim - Rigging - Nov 8, 2018

In AnimNode_ApplyLimits.cpp the inputs for the ConstrainAngularRange function are going to the wrong rotator values. The XYZ of the node's input vec3 is being stored in YPR of the clamped rotator, w ...

FRootMotionMovementParams::Accumulate can trigger an exception in debug-editor when using a cached pose

UE - Anim - Rigging - Jan 11, 2018

When you are using the editor compiled as debug-editor, combining the use of a pose cache, RootMotion Everything setting, could trigger an exception. ...

[CrashReport] UE4Editor_Engine!FBoneContainer::GetParentBoneIndex() [bonecontainer.cpp:273]

UE - Anim - Rigging - Nov 21, 2017

This is a common crash coming out of the 4.18 release. User Descriptionsnow it crashes every time I click the "Two Bone IK" node. Hmmm... Source Context 261 int32 FBoneContainer::GetParen ...

[CrashReport] UE4Editor_AnimGraph!FCSPose<FCompactHeapPose>::GetComponentSpaceTransform() [bonepose.h:533]

UE - Anim - Rigging - Nov 2, 2017

This is a trending crash coming out of the 4.18 release and may be a regression. Users have not provided any details about their actions when the crash occurred. Source Context 528 template ...

Mesh Flicker when Two Bone IK is stretched

UE - Anim - Rigging - Mar 31, 2017

Mesh Flicker when Two Bone IK is stretched ...

Crash in Hand IK Retargeting with two entries under "IKBones to Move"

UE - Anim - Rigging - Feb 28, 2017

Crash in Hand IK Retargeting with two entries under "IKBones to Move" Only seems to happen when you have a hand bone in the second slot of "IKBones to move" ...

Crash when manipulating Bone Space IK before setting EffectorSpaceBoneName

UE - Anim - Rigging - Feb 9, 2017

Error message: Assertion failed: Pose.IsValidIndex(BoneIndex) [Link Removed] [Line: 528] Source Context: 513 const FTransform& ParentTransform = GetComponentSpaceTransform(ParentIndex); ...

Ensure when setting Bone Axis to None in Spline IK

UE - Anim - Rigging - Dec 13, 2016

An ensure occurs when setting Bone Axis to None on a Spline IK node. This doesn't occur with any of the other options for Bone Axis. ...

Crash compiling animation blueprint with Spline IK node

UE - Anim - Rigging - Dec 13, 2016

Crash occurs when compiling an animation blueprint with a Spline IK node. This seems to occur only with the Start and End Bone settings set a certain (perhaps incorrect) way. In the example given, ...