Pure virtual not implemented (UAnimSequenceBase::GetAnimationPose() ) crash

UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\core\private\misc\outputdevice.cpp:354]
UE4Editor_Engine!UAnimSequenceBase::GetAnimationPose() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\classes\animation\animsequencebase.h:137]
UE4Editor_Engine!FAnimNode_SequencePlayer::Evaluate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnode_sequenceplayer.cpp:63]
UE4Editor_Engine!FPoseLink::Evaluate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnodebase.cpp:127]
UE4Editor_Engine!FPoseLink::Evaluate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnodebase.cpp:127]
UE4Editor_Engine!FAnimNode_StateMachine::EvaluateState() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnode_statemachine.cpp:890]
UE4Editor_Engine!FAnimNode_StateMachine::EvaluateTransitionStandardBlend() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnode_statemachine.cpp:647]
UE4Editor_Engine!FAnimNode_StateMachine::Evaluate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnode_statemachine.cpp:594]
UE4Editor_Engine!FPoseLink::Evaluate() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.9\engine\source\runtime\engine\private\animation\animnodebase.cpp:127]