title: serverless error: "bucket already exist" while deploying to Gitlab
body: <p>I am newbee to serverless stack,Following is the serverless.yml file. On deploying this in GitLab I get error as:</p>
  
  <pre><code>Serverless Error ---------------------------------------
  
     An error occurred: S3XPOLLBucket - bucket already exists.
  </code></pre>
  
  <p>Serverless.yml file is :</p>
  
  <pre><code>service: sa-s3-resources
  
  
  plugins:
    - serverless-s3-sync
    - serverless-s3-remover
  
  custom:
    basePath: sa-s3-resources
    environment: ${env:ENV}
  
  provider:
    name: aws
    stage: ${env:STAGE}
    region: ${env:AWS_DEFAULT_REGION}
    environment:
      STAGE: ${self:provider.stage}
  
  
  
  resources:
    Resources:
      S3XPOLLBucket:
        Type: AWS::S3::Bucket
        Properties:
          BucketName: gs-sa-xpoll-file-${self:custom.environment}-${self:provider.stage}
      S3JNLBucket:
        Type: AWS::S3::Bucket
        Properties:
          BucketName: gs-sa-jnl-file-${self:custom.environment}-${self:provider.stage} 
  </code></pre>