AutoML pipeline failed

[2022-05-04 22:15:25Z] Failed to start the job because of error: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.MachineLearning.EnvironmentManagement.Contracts.DockerImageName..ctor(String imageName)
at Microsoft.Aether.AutoMLCloud.Service.StructuredInterfaceParser.GetEnvironmentDefinitionAsync(AutoMLJobMetadata job, Dictionary`2 parameters, IJasmineClient jasmineClient) in D:\a\_work\1\s\src\aether\platform\backendV2\BlueBox\Clouds\AutoMLCloud\Service\StructuredInterfaceParser.cs:line 272
at Microsoft.Aether.AutoMLCloud.Service.StructuredInterfaceParser.GetRunConfigurationAsync(AutoMLJobMetadata job, Dictionary`2 parameters, List`1 arguments, IJasmineClient jasmineClient) in D:\a\_work\1\s\src\aether\platform\backendV2\BlueBox\Clouds\AutoMLCloud\Service\StructuredInterfaceParser.cs:line 187
at Microsoft.Aether.AutoMLCloud.Service.StructuredInterfaceParser.GetRunDefinitionAsync(Dictionary`2 parameterValues, AutoMLJobMetadata job, IJasmineClient jasmineClient) in D:\a\_work\1\s\src\aether\platform\backendV2\BlueBox\Clouds\AutoMLCloud\Service\StructuredInterfaceParser.cs:line 71
at Microsoft.Aether.AutoMLCloud.Service.StructuredInterfaceParser.ParseStructuredInterfaceAsync(AutoMLJobMetadata job, IJasmineClient jasmineClient) in D:\a\_work\1\s\src\aether\platform\backendV2\BlueBox\Clouds\AutoMLCloud\Service\StructuredInterfaceParser.cs:line 40
at Microsoft.Aether.AutoMLCloud.Service.AutoMLV1JobProcessor.InitializeNewJob(AutoMLJobMetadata job) in D:\a\_work\1\s\src\aether\platform\backendV2\BlueBox\Clouds\AutoMLCloud\Service\AutoMLV1JobProcessor.cs:line 280
at Microsoft.Aether.AutoMLCloud.Service.AutoMLV1JobProcessor.StartNewJobAsync(AutoMLJobMetadata job) in **D:\a\_work\1\s\src\aether\platform\backendV2\BlueBox\Clouds\AutoMLCloud\Service\AutoMLV1JobProcessor.cs:line 242, error_type: NullReferenceException**
[2022-05-04 22:15:25Z] Deleting execution directory /data/AetherAutoMLCloud/dbcfe.