Erroragent loop: chat completion: status: 429: {"error":{"message":"litellm.BadRequestError: OpenAIException - Prefill server error (400 Bad Request): {\"object\":\"error\",\"message\":\"Tool 0 function has invalid 'parameters' schema: '' is not valid under any of the given schemas\\n\\nFailed validating 'anyOf' in metaschema['allOf'][3]['properties']['type']:\\n {'anyOf': [{'$ref': '#/$defs/simpleTypes'},\\n {'type': 'array',\\n 'items': {'$ref': '#/$defs/simpleTypes'},\\n 'minItems': 1,\\n 'uniqueItems': True}]}\\n\\nOn schema['type']:\\n ''\",\"type\":\"BadRequestError\",\"param\":null,\"code\":400}. Received Model Group=Qwen/Qwen3.8-27B\nAvailable Model Group Fallbacks=['Qwen/Qwen3.8-27B-fallback']\nError doing the fallback: No deployments available for selected model, Try again in 152.0 seconds. Passed model=Qwen/Qwen3.8-27B-fallback. pre-call-checks=True, cooldown_list=['0a1dec4992566ffd0bfcd112fdab6325011394b85f045a1baa406e360e33e4c0', '9f4311da305e68099e443c669d15d1c4c6d34f012a37f27ccf45f9bb368d40b1', '900901511f8467c4525941906a3fdca3af96f24b848240e5bd7c9691806117e5', 'fe124b0cd9d402215204d1b10cad869c9356414109d6905d56c46155fde12b71', '8e19a24b76bbaaa4a4ae509399ab91a8b71bda9540431fa8493df65341622e26']","type":null,"param":null,"code":"429"}}