title: AWS GLUE error crawler
body: <p>I run a crawler and it gives me the following error:   </p>
  
  <blockquote>
    <p>Some files do not match the schema detected. Remove or exclude the
    following files from the crawler:</p>
  </blockquote>
  
  <p>These files are compressed with <code>gz</code> and are located in <code>s3</code>.
  All the files have the same format, for example:</p>
  
  <p><code>MSC,LL,150635,1142323,702551687172,,,,,,,,20170207,000356,0,MAD06Q1 1R15AI0,EAIMX2I,,,,,,,,,1,0,2,</code></p>
  
  <p>Any ideas on how to fix this error please?</p>