What do you need help with?
Bug report
Installation method
Manual installation / GitHub
Issue area
Connection / WebRTC
Impact
Major - a core flow is broken
Unreal Engine version
5.8.0
Convai Unreal Engine Plugin version
4.0.0-beta.24
Project setup
Blueprint
Target platform
Unreal Editor
Where does it happen?
Custom project
Short summary
During playback of an already received response, the AI assistant is unexpectedly interrupted approximately halfway through the sentence.
What happened?
During playback of an already received response, the AI assistant is unexpectedly interrupted approximately halfway through the sentence, even though there is no new response or user input at that moment. At the same time, the On Started Talking and On Finished Talking events are triggered in the log. After that, the current speech stops, but the character does not begin saying anything new. Could you please check why these events are triggered during active speech and whether they may be related to the interruption?
Unreal logs or error messages
LogBlueprintUserMessages: [WBP_Main_UI_C_0] START TALKING
ConvaiSubsystemLog: 
Active speaker changed: convai-bot
ConvaiSubsystemLog: Attendee ID: convai-bot, Data: {“epoch”:1,“label”:“rtvi-ai”,“neurosync_turn_id”:4,“response_id”:“1a88b6ac-560c-4d49-a98e-4436a8575a9d:r6”,“sequence”:60,“type”:“bot-stopped-speaking”}
ConvaiChatbotComponentLog: UConvaiChatbotComponent Transcription received: | Character ID : 0dfaadf8-5432-11f1-8aa0-42010a7be02e | Session ID : -1
ConvaiSubsystemLog: Attendee ID: convai-bot, Data: {“epoch”:1,“neurosync_turn_id”:4,“response_id”:“1a88b6ac-560c-4d49-a98e-4436a8575a9d:r6”,“sequence”:61,“type”:“bot-turn-completed”,“was_interrupted”:true}
ConvaiSubsystemLog: Warning: OnDataPacketReceived: Unknown packet type ‘bot-turn-completed’.
ConvaiSubsystemLog: Attendee ID: convai-bot, Data: {“data”:{“bt_code”:“”,“bt_constants”:“”,“narrative_section_id”:“d263c07c-55d0-11f1-b153-42010a7be02e”,“type”:“behavior-tree-response”},“label”:“rtvi-ai”,“type”:“server-message”}
ConvaiSubsystemLog: Attendee ID: convai-bot, Data: {“label”:“rtvi-ai”,“type”:“user-started-speaking”}
ConvaiChatbotComponentLog: InterruptSpeech: Interrupting character | Character ID : 0dfaadf8-5432-11f1-8aa0-42010a7be02e | Session ID : -1
ConvaiChatbotComponentLog: onAudioFinished - IsConnectionTalking: false
ConvaiFaceSyncLog: ConvaiPauseLipSync: Pausing lipsync - TotalFrames: 20, FramesRemaining: 9, TotalDuration: 0.333, TimePlayed: 0.179, TimeRemaining: 0.154, TotalPausedDuration: 0.000
ConvaiPlayerLog: Started talking
LogBlueprintUserMessages: [WBP_Main_UI_C_0] FINISH TALKING
LogBlueprintUserMessages: [WBP_Main_UI_C_0] “ArmHomeSpeakReminder: HOME, Armed=true, starting timer”
LogBlueprintUserMessages: [WBP_Main_UI_C_0] ResetInactivityTimer called
LogBlueprintUserMessages: [WBP_Main_UI_C_0] ResetInactivityTimer ->120.0
ConvaiFaceSyncLog: ConvaiStopLipSync: Stopping lipsync - bIsPlaying: true, bIsPaused: true, TotalFrames: 20, FramesRemaining: 9, TotalDuration: 0.333, TimePlayed: 0.179, TimeRemaining: 0.154, TotalPausedDuration: 0.000
ConvaiChatbotComponentLog: Character interrupted by user speaking
ConvaiSubsystemLog: Attendee ID: convai-bot, Data: {“label”:“rtvi-ai”,“type”:“user-stopped-speaking”}
ConvaiChatbotComponentLog: Character interrupt ended
ConvaiSubsystemLog: Attendee ID: convai-bot, Data: {“data”:{“event_type”:“trigger-message”,“extras”:{“actual_run_llm”:“true”,“bot_state”:“speaking”,“downgrade_reason”:null,“downgraded”:false,“has_speak_tag”:false,“llm_triggered”:t
Screenshots, recording, logs, or minimal repro
Log_UE_ConvAI_Receive_StartFinish_Events.txt (1.1 MB)
I checked the relevant documentation, resources, and similar forum posts before posting.
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I confirm that I did not include API keys, tokens, passwords, secrets, private character data, private conversation logs, or customer data.
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