Failed to find the required terraform minimum version - terraform

Question

I'm using tfenv to switch terraform versions.Lately I'm getting this error and i'm not sure how to solve this.
Can someone pls let me know what is happening here, why its not able to detect min-required version?
Error:
tfenv install min-required && tfenv use min-required && terraform init -backend=false ./stage; terraform validate -var="api_key=xxxx" ./stage
Error: Could not determine required_version based on your terraform sources.
Make sure at least one of your *tf files includes a required version section like
terraform {
required_version = ">= 0.0.0"
}
see https://www.terraform.io/docs/configuration/terraform.html for details
tfenv-min-required failed
grep: brackets ([ ]) not balanced
No versions matching 'min-required' found in remote
Makefile:
DUTY_VAR=-var=api_key=xxxx test: tfenv install min-required && tfenv use min-required && terraform init -backend=false ./stage; terraform validate ${DUTY_VAR} ./stage
Terraform folder/file structure:
|-terraform (directory)
|-modules ( directory)
| - main.tf
| - variables.tf
| - versions.tf
|
|-stage(root-module)(directory)
| - backend.tf
| - main.tf
| - .terraform-version
| - providers.tf
version.tf
terraform {
required_version = "0.11.13"
}
backend.tf
terraform {
required_version = "0.11.13"
backend "s3" {
bucket = "nonprod"
key = "tfstate/terraform.tfstate"
dynamodb_table = "terraform-state-lock"
region = "us-east-1"
encrypt = true
role_arn = "arn:aws:iam::zzzzzzz:role/yyy"
}
}

Answer 1

There are two parts in this answer as explained below,
Part 1
As specified in the error, please try to specify the terraform version in required_version setting as below,
required_version = ">= 0.11.13"
Please note the >=
Part 2
As per the Terraform documentation, modules should constrain only their minimum allowed versions of Terraform and providers, such as >= 0.12.0
Please refer the Terraform Version Constraint Documentation
So instead of Terraform version 0.11.13, try with version 0.12.0