can't create cloud formation

Question

formation keeps being rolled back with the error message:
```sd-webui-stack	
ROLLBACK_IN_PROGRESS
The following resource(s) failed to create: [MyEIP, EC2Instance]. Rollback requested by user.
2023-05-02 00:26:44 UTC+1000	MyEIP	
CREATE_FAILED
Resource creation cancelled
2023-05-02 00:26:43 UTC+1000	EC2Instance	
CREATE_FAILED
You have requested more vCPU capacity than your current vCPU limit of 0 allows for the instance bucket that the specified instance type belongs to. Please visit http://aws.amazon.com/contact-us/ec2-request to request an adjustment to this limit. (Service: AmazonEC2; Status Code: 400; Error Code: VcpuLimitExceeded; Request ID: d6005e7d-c0ec-4849-9cc5-370eadf98b38; Proxy: null)
```
I don't see a limit of zero in my instance:
my All Standard (A, C, D, H, I, M, R, T, Z) Spot Instance Requests
have the following information: 
```
Utilization
0
Applied quota value
32
AWS default quota value
5
Adjustable
Yes
```
Should I request an increase of vCPU and how exactly? 
Thanks

Answer

The error is caught by the vCPU limitation, so please access the following page to remove the limitation.  
http://aws.amazon.com/contact-us/ec2-request

You should also read this document.  
https://repost.aws/knowledge-center/ec2-on-demand-instance-vcpu-increase

can't create cloud formation

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