[BUG] Chat crashes with image update - Claude #20
Description
Steps to Reproduce
1.Open any chat
2.start typing and send message
3.Send another message with Only picture in the message. No other content.
What Happened
Was prepping sapphire for a image. Gave context about image. Said hang on. Then dropped image into chat. Sent image with no other text in the chat
Crashed with error. Had to edit message and enter text into it and send WITH image data.
What You Expected
Send image data solo
System Info
- OS / Distro: KUBUNTU 25.10
- CPU:
- RAM:
- GPU / VRAM:
- Sapphire version / commit:
- LLM backend (e.g. QWQ32B, Qwen3, Claude): Claude Opus latest release
Logs
026-03-12 00:00:52,450 - core.chat.llm_providers.claude - INFO - [THINK] Bumped max_tokens to 18000 (must exceed budget)
2026-03-12 00:00:52,450 - core.chat.llm_providers.claude - INFO - [THINK] Claude extended thinking enabled (budget: 10000)
2026-03-12 00:00:52,450 - core.chat.llm_providers.claude - INFO - [CACHE] Tool caching active on last tool (TTL: 1h)
2026-03-12 00:00:52,656 - httpx - INFO - HTTP Request: POST https://api.anthropic.com/v1/messages "HTTP/1.1 400 Bad Request"
2026-03-12 00:00:52,656 - core.chat.chat_streaming - ERROR - [ERR] [STREAMING] Iteration 1 failed: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must be non-empty'}, 'request_id': 'req_011CYxX3cFe7dQKDQGmVa51i'}
Traceback (most recent call last):
File "/home/cisco/projects/sapphire/core/chat/chat_streaming.py", line 211, in chat_stream
for event in self.current_stream:
File "/home/cisco/projects/sapphire/core/chat/llm_providers/claude.py", line 365, in chat_completion_stream
with stream_ctx as stream:
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/lib/streaming/_messages.py", line 167, in __enter__
raw_stream = self.__api_request()
^^^^^^^^^^^^^^^^^^^^
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/_base_client.py", line 1364, in post
return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/_base_client.py", line 1137, in request
raise self._make_status_error_from_response(err.response) from None
anthropic.BadRequestError: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must be non-empty'}, 'request_id': 'req_011CYxX3cFe7dQKDQGmVa51i'}
2026-03-12 00:00:52,657 - core.chat.chat_streaming - INFO - [CLEANUP] Stream closed
2026-03-12 00:00:52,657 - core.chat.chat_streaming - ERROR - [ERR] [STREAMING FATAL] Unhandled error: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must be non-empty'}, 'request_id': 'req_011CYxX3cFe7dQKDQGmVa51i'}
Traceback (most recent call last):
File "/home/cisco/projects/sapphire/core/chat/chat_streaming.py", line 211, in chat_stream
for event in self.current_stream:
File "/home/cisco/projects/sapphire/core/chat/llm_providers/claude.py", line 365, in chat_completion_stream
with stream_ctx as stream:
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/lib/streaming/_messages.py", line 167, in __enter__
raw_stream = self.__api_request()
^^^^^^^^^^^^^^^^^^^^
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/_base_client.py", line 1364, in post
return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/_base_client.py", line 1137, in request
raise self._make_status_error_from_response(err.response) from None
anthropic.BadRequestError: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must be non-empty'}, 'request_id': 'req_011CYxX3cFe7dQKDQGmVa51i'}
2026-03-12 00:00:52,657 - core.chat.chat_streaming - INFO - [CLEANUP] [STREAMING FINALLY] Cleaning up, cancel_flag=False
2026-03-12 00:00:52,657 - core.routes.chat - ERROR - STREAMING ERROR: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must be non-empty'}, 'request_id': 'req_011CYxX3cFe7dQKDQGmVa51i'}
Traceback (most recent call last):
File "/home/cisco/projects/sapphire/core/routes/chat.py", line 222, in generate
for event in system.llm_chat.chat_stream(data['text'], prefill=prefill, skip_user_message=skip_user_message, images=images, files=files):
File "/home/cisco/projects/sapphire/core/chat/chat_streaming.py", line 211, in chat_stream
for event in self.current_stream:
File "/home/cisco/projects/sapphire/core/chat/llm_providers/claude.py", line 365, in chat_completion_stream
with stream_ctx as stream:
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/lib/streaming/_messages.py", line 167, in __enter__
raw_stream = self.__api_request()
^^^^^^^^^^^^^^^^^^^^
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/_base_client.py", line 1364, in post
return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cisco/miniconda3/envs/sapphire/lib/python3.11/site-packages/anthropic/_base_client.py", line 1137, in request
raise self._make_status_error_from_response(err.response) from None
anthropic.BadRequestError: Error code: 400 - {'type': 'error', 'error': {'type': 'invalid_request_error', 'message': 'messages: text content blocks must be non-empty'}, 'request_id': 'req_011CYxX3cFe7dQKDQGmVa51i'}
2026-03-12 00:00:52,760 - core.api_fastapi - INFO - REQ: GET /api/history
INFO: 127.0.0.1:54488 - "GET /api/history HTTP/1.1" 200 OK
Additional Context
