KC_Jon_BC
KC_Jon_BC•3d ago

TTS bug - sending no response in hands free mode

When i tried to use the hands free voice input mode on the webchat widget, the flow for some reason tries to send an empty string : "" This only happens when i try to use the hands-free input for some reason. (The input is being sent to my backend server via an API block) See the logs below: 
{ "time": 1764796597522, "type": "debug", "payload": { "ref": { "type": "node", "nodeID": "6924bc89f8c5b8190f0ac4b0", "diagramID": "64dbb6696a8fab0013dba194", "nodeType": "integrations" }, "level": "warn", "message": "failed", "context": "API tool", "metadata": { "status": 500, "latency": 409, "response": { "detail": "Error processing message: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must contain non-whitespace text'}, 'request_id': 'req_011CVkSwvA4vXE4CT3csv6HS'}", "VF_HEADERS": { "alt-svc": "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000", "connection": "close", "content-length": "241", "content-type": "application/json", "date": "Wed, 03 Dec 2025 21:16:37 GMT", "server": "uvicorn", "strict-transport-security": "max-age=63072000; includeSubDomains", "via": "1.1 google" }, "VF_STATUS_CODE": 500 } } } } { "time": 1764796597113, "type": "debug", "payload": { "ref": { "type": "node", "nodeID": "6924bc89f8c5b8190f0ac48f", "nodeType": "set-v3", "diagramID": "64dbb6696a8fab0013dba194" }, "level": "debug", "message": "1 variable changed", "context": "Set", "metadata": { "diff": { "cleaned_message": { "before": "0", "after": "" } } } } }
{ "time": 1764796597522, "type": "debug", "payload": { "ref": { "type": "node", "nodeID": "6924bc89f8c5b8190f0ac4b0", "diagramID": "64dbb6696a8fab0013dba194", "nodeType": "integrations" }, "level": "warn", "message": "failed", "context": "API tool", "metadata": { "status": 500, "latency": 409, "response": { "detail": "Error processing message: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must contain non-whitespace text'}, 'request_id': 'req_011CVkSwvA4vXE4CT3csv6HS'}", "VF_HEADERS": { "alt-svc": "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000", "connection": "close", "content-length": "241", "content-type": "application/json", "date": "Wed, 03 Dec 2025 21:16:37 GMT", "server": "uvicorn", "strict-transport-security": "max-age=63072000; includeSubDomains", "via": "1.1 google" }, "VF_STATUS_CODE": 500 } } } } { "time": 1764796597113, "type": "debug", "payload": { "ref": { "type": "node", "nodeID": "6924bc89f8c5b8190f0ac48f", "nodeType": "set-v3", "diagramID": "64dbb6696a8fab0013dba194" }, "level": "debug", "message": "1 variable changed", "context": "Set", "metadata": { "diff": { "cleaned_message": { "before": "0", "after": "" } } } } }
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