this is happening randomly. usually the model works but eventually throws the error. does not seem to happen with i.e. qwen coder and kimi. happens a lot with sonnet 4.6, rarely wuth sonnet 4.5.

my config:
```
"ppqai": {
"npm": "@ai-sdk/openai-compatible",
"name": "ppq.ai",
"options": {
"baseURL": "https://api.ppq.ai/v1"
},
"models": {
"openai/gpt-5.1-codex": {
"name": "GPT-5.1 Codex",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"anthropic/claude-sonnet-4.5": {
"name": "Claude Sonnet 4.5",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"anthropic/claude-sonnet-4.6": {
"name": "Claude Sonnet 4.6",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"anthropic/claude-opus-4.6": {
"name": "Claude Opus 4.6",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"qwen/qwen3-coder-plus": {
"name": "Qwen 3 Coder Plus",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"kwaipilot/kat-coder-pro": {
"name": "KAT-Coder-Pro V1",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"mistralai/devstral-2512": {
"name": "Devstral 2 2512",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"moonshotai/kimi-k2-thinking": {
"name": "Kimi K2 Thinking",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"z-ai/glm-4.7": {
"name": "GLM 4.7",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"stepfun-ai/step3": {
"name": "Step 3",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
},
"gemini-3-pro-preview": {
"name": "Gemini 3 Pro Preview",
"options": {
"capabilities": {
"input": ["text", "image"],
"output": ["text"]
}
}
}
}
}
```

using sonnet 4.6 via copilot api this does not happen at all.