# BatchReplaceClusterNodesError
<a name="API_BatchReplaceClusterNodesError"></a>

Represents an error encountered when replacing a node in a SageMaker HyperPod cluster.

## Contents
<a name="API_BatchReplaceClusterNodesError_Contents"></a>

 ** ErrorCode **   <a name="sagemaker-Type-BatchReplaceClusterNodesError-ErrorCode"></a>
The error code associated with the error encountered when replacing a node.  
Possible values:  
+  `InstanceIdNotFound`: The instance does not exist in the specified cluster.
+  `InvalidInstanceStatus`: The instance is in a state that does not allow replacement. Wait for the instance to finish any ongoing changes before retrying.
+  `InstanceIdInUse`: Another operation is already in progress for this node. Wait for the operation to complete before retrying.
+  `InternalServerError`: An internal error occurred while processing this node.
Type: String  
Valid Values: `InstanceIdNotFound | InvalidInstanceStatus | InstanceIdInUse | InternalServerError`   
Required: Yes

 ** Message **   <a name="sagemaker-Type-BatchReplaceClusterNodesError-Message"></a>
A human-readable message describing the error encountered when replacing a node.  
Type: String  
Required: Yes

 ** NodeId **   <a name="sagemaker-Type-BatchReplaceClusterNodesError-NodeId"></a>
The EC2 instance ID of the node that encountered an error during the replacement operation.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 256.  
Pattern: `i-[a-f0-9]{8}(?:[a-f0-9]{9})?`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/sagemaker-2017-07-24/BatchReplaceClusterNodesError) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/BatchReplaceClusterNodesError) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/BatchReplaceClusterNodesError)