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Function Compute:Public error codes

Last Updated:Sep 09, 2026

Error codes

HTTP status code

Error code

Error message

Description

Action

0 AccessDenied %s You do not have the required permissions to perform this operation. Apply for the permissions and try again. diagnosis
412 CAExited The function either cannot be started or exited. %s. The custom runtime or container image function failed to start. diagnosis
412 CAFileNotFound The function cannot be started. %s. The startup file for the custom runtime function is missing. diagnosis
0 ConcurrentUpdateError Do not update the same service concurrently. diagnosis
0 EntityTooLarge payload size exceeds maximum allowed size (%s bytes) The request body size exceeds the limit. Submit a ticket to adjust the concurrency. diagnosis
0 FunctionAlreadyExists function '%s' already exists in service '%s' The function to be created already exists. diagnosis
0 FunctionNotEmpty function '%s' has active triggers The function cannot be deleted because it still has triggers that have not been deleted. diagnosis
404 FunctionNotFound function '%s' does not exist. The function was not found. diagnosis
0 FunctionNotFound function '%s' does not exist in service '%s' The requested function does not exist. diagnosis
400 InstanceMetricsRequired Target tracking policy required instance metrics enabled. The instance metric collection feature must be enabled when you configure a metric-based scaling policy for provisioned instances. diagnosis
0 InternalServerError an internal error has occurred. Please retry. A Function Compute internal error occurred. Try again later. If the error persists, submit a ticket. diagnosis
0 InvalidAccessKeyID invalid access key ID '%s' The AccessKey ID is invalid. Check whether this parameter is correct. diagnosis
0 InvalidArgument %s The parameter is invalid. Check whether this parameter is correct. diagnosis
0 MissingRequiredHeader required HTTP header %s was not specified A required request header is missing. diagnosis
0 PathNotSupported '%s' against '%s' is not supported The request path is invalid. diagnosis
0 PreconditionFailed the resource being modified has been changed The precondition for the operation is not met. For example, the ETag does not match when you update a function. diagnosis
0 RequestTimeTooSkewed the difference between the request time '%s' and the current time '%s' is too large The time difference between the client and the server is too large (more than 15 minutes). diagnosis
0 ResourceExhausted %s The user-level concurrent function invocation limit has been reached. For more information, see Limits. diagnosis
0 ResourceThrottled %s Compute resources are limited. Submit a ticket to adjust the resource limits. diagnosis
0 ServiceAlreadyExists service '%s' already exists The service to be created already exists. diagnosis
0 ServiceNotEmpty service '%s' has active functions The service cannot be deleted because it still has functions that have not been deleted. diagnosis
0 ServiceNotFound service '%s' does not exist The requested service does not exist. diagnosis
0 SignatureNotMatch signature does not match The request signature is invalid. Check whether your parameters are correct based on the signature calculation mechanism. diagnosis
0 TriggerAlreadyExists trigger '%s' already exists in service '%s' and function '%s' The trigger to be created already exists. diagnosis
0 TriggerNotFound trigger '%s' does not exist in service '%s' and function '%s' The requested trigger does not exist. diagnosis
0 UnsupportedMediaType content type should be 'application/json' or 'application/octet-stream' The Content-Type is invalid. Check whether this parameter is correct. diagnosis