# UE 5.7 ERROR: Blueprint failed to compile: Convai\_Metahuman\_FaceAnim **URL:** \ **Category:** Unreal Engine Plugin\ **Tags:** question, unreal-engine\ **Created:** [November 28, 2025, 6:41pm UTC](https://forum.convai.com/t/ue-5-7-error-blueprint-failed-to-compile-convai-metahuman-faceanim/5519 "2025-11-28T18:41:34Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![AHEVENZ](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/ahevenz/32/2720_2.png) [@AHEVENZ](https://forum.convai.com/u/AHEVENZ)\ **Post date:** [November 28, 2025, 6:41pm UTC](https://forum.convai.com/t/ue-5-7-error-blueprint-failed-to-compile-convai-metahuman-faceanim/5519/1 "2025-11-28T18:41:34Z")
Hi, when trying to setup a custom metahuman in UE 5.7 the error “Blueprint failed to compile: Convai\_Metahuman\_FaceAnim” show up, when I press play the lipsync doesn’t work, everything else works well here is an screenshot of the errors in the blueprint, can anybody help? Thank you! 🙂 ![image](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/2X/6/6d5a3797c51a2af0ad90e2b907ab5168086f7d7a.jpeg) here is the log: In use pin Target no longer exists on node Get Visemes . Please refresh node or break links to remove pin. In use pin Return Value no longer exists on node Get Visemes . Please refresh node or break links to remove pin. Could not find a function named “GetVisemes” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Get Visemes In use pin Target no longer exists on node Get Visemes . Please refresh node or break links to remove pin. In use pin Return Value no longer exists on node Get Visemes . Please refresh node or break links to remove pin. Could not find a function named “GetVisemes” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Get Visemes In use pin Target no longer exists on node Generates Visemes as Blendshapes . Please refresh node or break links to remove pin. In use pin Return Value no longer exists on node Generates Visemes as Blendshapes . Please refresh node or break links to remove pin. Could not find a function named “GeneratesVisemesAsBlendshapes” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Generates Visemes as Blendshapes In use pin Target no longer exists on node Get Visemes . Please refresh node or break links to remove pin. In use pin Return Value no longer exists on node Get Visemes . Please refresh node or break links to remove pin. Could not find a function named “GetVisemes” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Get Visemes In use pin Target no longer exists on node Get Visemes . Please refresh node or break links to remove pin. In use pin Return Value no longer exists on node Get Visemes . Please refresh node or break links to remove pin. Could not find a function named “GetVisemes” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Get Visemes In use pin Target no longer exists on node Generates Visemes as Blendshapes . Please refresh node or break links to remove pin. In use pin Return Value no longer exists on node Generates Visemes as Blendshapes . Please refresh node or break links to remove pin. Could not find a function named “GeneratesVisemesAsBlendshapes” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Generates Visemes as Blendshapes OnVisemesReady : unable to determine expected signature - is the delegate pin connected? Could not find an event-dispatcher named “OnVisemesReady” in ‘ConvaiAudioStreamer’. Make sure ‘ConvaiAudioStreamer’ has been compiled for Assign Failed to create property K2Node\_CreateDelegate\_OutputDelegate\_1 from due to a bad or unknown type (Delegate) OnVisemesReady Signature Error: Unable to determine expected signature - is the delegate pin connected? ---
**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\ **Post date:** [November 28, 2025, 6:54pm UTC](https://forum.convai.com/t/ue-5-7-error-blueprint-failed-to-compile-convai-metahuman-faceanim/5519/2 "2025-11-28T18:54:00Z")
Hello, **Welcome to the Convai Developer Forum!** Which version of the Convai Plugin are you using? ---
**Author:** ![AHEVENZ](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/ahevenz/32/2720_2.png) [@AHEVENZ](https://forum.convai.com/u/AHEVENZ)\ **Post date:** [November 28, 2025, 7:05pm UTC](https://forum.convai.com/t/ue-5-7-error-blueprint-failed-to-compile-convai-metahuman-faceanim/5519/3 "2025-11-28T19:05:27Z")
Hi, thank you for your fast answer K3 🙂 , im using this version of the plugin “**[Convai Unreal Engine SDK Version 4.0.0-beta.3](https://github.com/Conv-AI/Convai-UnrealEngine-SDK-V4/releases/tag/4.0.0-beta.3)** **[Latest](https://github.com/Conv-AI/Convai-UnrealEngine-SDK-V4/releases/latest)** - Added 5.7 support” ![image](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/2X/f/fbea056db22524d2b007a78d3bb6c67c2e0cb331.png) ---
**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\ **Post date:** [November 28, 2025, 7:06pm UTC](https://forum.convai.com/t/ue-5-7-error-blueprint-failed-to-compile-convai-metahuman-faceanim/5519/4 "2025-11-28T19:06:04Z")
This is a beta version and does not support LipSync. ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/1X/e60ef96aa7334c5ccf6682f6c6dbc20fcfa96b49.png) [@system](https://forum.convai.com/u/system)\ **Post date:** [December 28, 2025, 7:06pm UTC](https://forum.convai.com/t/ue-5-7-error-blueprint-failed-to-compile-convai-metahuman-faceanim/5519/5 "2025-12-28T19:06:41Z")
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