AWS CloudFormer stack creation failed with (Failed to receive 1 resource signal(s) within the specified duration)

Question

I was trying to use AWS CloudFormer to create a template for my existing resources, however, the CloudFormer stack creation failed multiple times without an obvious reason. below you can find the full log, I tried to increase the timeout in the options to 100 minute and I got the same results:

22:16:49 UTC+0300   CREATE_FAILED   AWS::EC2::Instance  WebServer   Failed to receive 1 resource signal(s) within the specified duration
21:45:58 UTC+0300   CREATE_IN_PROGRESS  AWS::EC2::Instance  WebServer   Resource creation Initiated
21:45:56 UTC+0300   CREATE_IN_PROGRESS  AWS::EC2::Instance  WebServer   
21:45:54 UTC+0300   CREATE_COMPLETE AWS::IAM::InstanceProfile   CFNInstanceProfile  
21:43:54 UTC+0300   CREATE_COMPLETE AWS::IAM::Policy    CFNRolePolicy   
21:43:54 UTC+0300   CREATE_IN_PROGRESS  AWS::IAM::Policy    CFNRolePolicy   Resource creation Initiated
21:43:53 UTC+0300   CREATE_IN_PROGRESS  AWS::IAM::InstanceProfile   CFNInstanceProfile  Resource creation Initiated
21:43:53 UTC+0300   CREATE_IN_PROGRESS  AWS::IAM::Policy    CFNRolePolicy   
21:43:52 UTC+0300   CREATE_IN_PROGRESS  AWS::IAM::InstanceProfile   CFNInstanceProfile  
21:43:50 UTC+0300   CREATE_COMPLETE AWS::IAM::Role  CFNRole 
21:43:44 UTC+0300   CREATE_COMPLETE AWS::EC2::SecurityGroup WebServerSecurityGroup  
21:43:43 UTC+0300   CREATE_IN_PROGRESS  AWS::EC2::SecurityGroup WebServerSecurityGroup  Resource creation Initiated
21:43:39 UTC+0300   CREATE_IN_PROGRESS  AWS::IAM::Role  CFNRole Resource creation Initiated
21:43:27 UTC+0300   CREATE_IN_PROGRESS  AWS::EC2::SecurityGroup WebServerSecurityGroup  
21:43:27 UTC+0300   CREATE_IN_PROGRESS  AWS::IAM::Role  CFNRole 
21:43:18 UTC+0300   CREATE_IN_PROGRESS  AWS::CloudFormation::Stack  AWSCloudFormer  User Initiated

Answer 1

In Parameters, specify a username and password. It is mandatory to create the instance.