Repository: stable-diffusion-webui
Issue: [Bug]: h11._util.LocalProtocolError: Can't send data when our state is ERROR
Labels: bug-report

### Is there an existing issue for this?

- [X] I have searched the existing issues and checked the recent builds/commits

### What happened?

It very strong that when use webui , it could not see the problem, but when use API, it usually release this issue 

Exception in callback H11Protocol.timeout_keep_alive_handler()
handle: <TimerHandle when=30411.431255625 H11Protocol.timeout_keep_alive_handler()>

  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/h11/_connection.py", line 483, in send_with_data_passthrough
    raise LocalProtocolError("Can't send data when our state is ERROR")


### Steps to reproduce the problem

Just common call the API


### What should have happened?

It is very stange, sometimes it will happen, but in some times , the same prompt, it could work good 

### Commit where the problem happens

Common call api

### What platforms do you use to access the UI ?

Linux

### What browsers do you use to access the UI ?

Microsoft Edge

### Command Line Arguments

```Shell
(no background:1.30)，(There is only 1 Africa black boy:1.4), (front_view, full_body:1.50), cartoon ,with a yellow Lakers basketball shirt and blue shorts standing with his hands in his pockets and his hair in the air
, best quality, 8K,( extreme detail description:1.4), (sharp focus:1.4), <lora:zby-50k-000010:0.5>
```


### List of extensions

No extension

### Console logs

```Shell

Traceback (most recent call last):
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 162, in __call__
    await self.app(scope, receive, _send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 109, in __call__
    await response(scope, receive, send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/responses.py", line 270, in __call__
    async with anyio.create_task_group() as task_group:
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 662, in __aexit__
    raise exceptions[0]
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/responses.py", line 273, in wrap
    await func()
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 134, in stream_response
    return await super().stream_response(send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/responses.py", line 255, in stream_response
    await send(
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 159, in _send
    await send(message)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/uvicorn/protocols/http/h11_impl.py", line 513, in send
    output = self.conn.send(event)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/h11/_connection.py", line 468, in send
    data_list = self.send_with_data_passthrough(event)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/h11/_connection.py", line 483, in send_with_data_passthrough
    raise LocalProtocolError("Can't send data when our state is ERROR")
h11._util.LocalProtocolError: Can't send data when our state is ERROR
ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/uvicorn/protocols/http/h11_impl.py", line 429, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/uvicorn/middleware/proxy_headers.py", line 78, in __call__
    return await self.app(scope, receive, send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/fastapi/applications.py", line 273, in __call__
    await super().__call__(scope, receive, send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/applications.py", line 122, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 184, in __call__
    raise exc
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 162, in __call__
    await self.app(scope, receive, _send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 109, in __call__
    await response(scope, receive, send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/responses.py", line 270, in __call__
    async with anyio.create_task_group() as task_group:
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 662, in __aexit__
    raise exceptions[0]
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/responses.py", line 273, in wrap
    await func()
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 134, in stream_response
    return await super().stream_response(send)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/responses.py", line 255, in stream_response
    await send(
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 159, in _send
    await send(message)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/uvicorn/protocols/http/h11_impl.py", line 513, in send
    output = self.conn.send(event)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/h11/_connection.py", line 468, in send
    data_list = self.send_with_data_passthrough(event)
  File "/aml/stable-diffusion-webui/venv/lib/python3.10/site-packages/h11/_connection.py", line 483, in send_with_data_passthrough
    raise LocalProtocolError("Can't send data when our state is ERROR")
h11._util.LocalProtocolError: Can't send data when our state is ERROR
```


### Additional information

I just check a lot of issue, but not see same as mine, any expert  please help me to fix the issue, Thanks