Error Codes

The table below shows the error codes you might see when calling a model service deployed with MaaS.

**Table 1** Error codes
HTTP Status Code	Error Code	Error Message	Description
400	ModelArts.81001	Invalid request body.	Parsing the body failed, for example, JSON formatting failed or empty model parameters.
400	ModelArts.81002	Failed to get the authorization header.	The Authorization parameter in the request header is either empty or lacks the Bearer prefix.
401	ModelArts.81003	Invalid authorization header.	Parsing the API key failed.
401	ModelArts.81004	Invalid request because you do not have access to it.	The built-in service is not enabled.
401	ModelArts.81005	The free quota has been used up.	Free quota has been used up.
401	ModelArts.81006	The resource is frozen.	The resident model has been frozen.
401	ModelArts.81109	No permission query task %s	No permission to query the video generation task.
403	ModelArts.81011	May contain senstive.....	Input or non-streaming output risk control.
404	ModelArts.81009	Invalid model.	The model specified by the model parameter in the request body is not found.
404	ModelArts.81108	Task %s does not exist	Task not found.
429	ModelArts.81101	Too many requests, exceeded rate limit is {rpm} times per minute.	RPM traffic control verification failed.
429	ModelArts.81103	Too many requests. exceeded rate limit is %s tokens per minute.	TPM traffic control verification failed.
403	ModelArts.81109	No permission query task %s	No permission to query the task.
5XX	APIG.0203	"error_msg":"Backend timeout",error_code:APIG.0203	The service response times out.
400	"object": "error"	"object": "error", "message": "[{'type': 'missing', 'loc': ('body', 'model'), 'msg': 'Field required', 'input': {'max_tokens': 20, 'messages': [{'role': 'system', 'content': 'You are a helpful assistant.'}, {'role': 'user', 'content': 'Hello'}], 'stream': False, 'temperature': 1.0}}]", "type": "BadRequestError", "param": null, "code": 400	Mandatory parameters are missing in the request body.
400	"object": "error"	"object": "error", "message": "[{'type': 'extra_forbidden', 'loc': ('body', 'test'), 'msg': 'Extra inputs are not permitted', 'input': 15}]", "type": "BadRequestError", "param": null, "code": 400	The request body has extra, unsupported parameters.
400	"object": "error"	"object": "error", "message": "[{'type': 'json_invalid', 'loc': ('body', 273), 'msg': 'JSON decode error', 'input': {}, 'ctx': {'error': \"Expecting ',' delimiter\"}}]", "type": "BadRequestError", "param": null, "code": 400	The request body's JSON format is wrong.
400	"object": "error"	"object": "error", "message": "[{'type': 'missing', 'loc': ('body',), 'msg': 'Field required', 'input': None}]", "type": "BadRequestError", "param": null, "code": 400	No request body.
400	"object": "error"	"object": "error", "message": "This model's maximum context length is 4096 tokens. However, you requested 8242 tokens (20 in the messages, 8222 in the completion). Please reduce the length of the messages or completion.", "type": "BadRequestError", "param": null, "code": 400	The max_tokens value exceeds the model's upper limit.
404	"object": "error"	"object": "error", "message": "The model `DeepSeek-R1` does not exist.", "type": "NotFoundError", "param": null, "code": 404	The model parameter in the request body is incorrect.
404	APIG.0101	"error_msg": "The API does not exist or has not been published in the environment", "error_code": "APIG.0101", "request_id": "d0ddda0fcdd0cc23a1588fafe426****"	The API URL is wrong or does not exist.
405	N/A	"detail":"Method Not Allowed"	The request method is incorrect.
429	APIG.0308	"error_msg": "The throttling threshold has been reached: policy ip over ratelimit,limit:5,time:1 minute"	The API Gateway traffic limit is reached.