aws_dynamodb_table - with ttl disabled, can't "terraform apply" twice

[nunoperalta]

Terraform Version

Terraform v0.12.9
+ provider.aws v2.30.0

Terraform Configuration Files

resource "aws_dynamodb_table" "dynamodb-testdb" {
  name           = "TestDb"
  billing_mode   = "PAY_PER_REQUEST"
  hash_key       = "PriKey"
  range_key      = "Quantity"

  attribute {
    name = "PriKey"
    type = "S"
  }

  attribute {
    name = "Quantity"
    type = "N"
  }

  ttl {
    attribute_name = "TimeToExist"
    enabled        = false
  }
}

Expected Behavior

When doing "terraform apply" twice, there should be no changes to make.

Actual Behavior

First "terraform apply" will create the DynamoDB table.
However, second time, there will be a change at:

      ~ ttl {
          + attribute_name = "TimeToExist"
            enabled        = false
        }

If I confirm the change, I get this crash:

Error: error updating DynamoDB Table (TestDb) time to live: error updating DynamoDB Table (TestDb) Time To Live: ValidationException: TimeToLive is already disabled
status code: 400, request id: XXXXXX

If I remove the "attribute_name", I get this error:

The argument "attribute_name" is required, but no definition was found.

[ghost]

This issue has been automatically migrated to hashicorp/terraform-provider-aws#10304 because it looks like an issue with that provider. If you believe this is not an issue with the provider, please reply to hashicorp/terraform-provider-aws#10304.

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

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