INFO : 2022-11-20 11:17:40Z - Acquiring server...
INFO : 2022-11-20 11:17:40Z - Server 'winbuildsv1' acquired.
INFO : 2022-11-20 11:17:40Z - Deploying Default artifact to working directory...
INFO : 2022-11-20 11:17:40Z - Artifact deployed.
ERROR: 2022-11-20 11:17:40Z - Unhandled exception: System.NullReferenceException: Object reference not set to an instance of an object.
   at Inedo.Extensions.AWS.Operations.UploadFilesToS3Operation.CreateClient(AwsSecureCredentials credentials) in C:\Users\builds\AppData\Local\Temp\InedoAgent\BuildMaster\192.168.44.60\Temp\_E272297\Src\AWS\InedoExtension\Operations\UploadFilesToS3Operation.cs:line 287
   at Inedo.Extensions.AWS.Operations.UploadFilesToS3Operation.ExecuteAsync(IOperationExecutionContext context) in C:\Users\builds\AppData\Local\Temp\InedoAgent\BuildMaster\192.168.44.60\Temp\_E272297\Src\AWS\InedoExtension\Operations\UploadFilesToS3Operation.cs:line 120
   at Inedo.BuildMaster.Windows.ServiceApplication.Executions.PlanExecuter.OtterScriptExecuter.Inedo.ExecutionEngine.Executer.IExecutionHostEnvironment.ExecuteActionAsync(ActionStatement actionStatement, IExecuterContext context)