title: MULE example: Sending a CSV file through Email using SMTP
body: <p>Hej,
  I'm new in MULE, I try to learn "how to" following examples from Mule's sida: <a href="https://www.mulesoft.com/exchange#!/sending-csv-email-smtp?searchTerm=email" rel="nofollow">https://www.mulesoft.com/exchange#!/sending-csv-email-smtp?searchTerm=email</a>
  I think I did everything well, project is deploing good, but when file is taken exception is thrown and I'v got communicate: 
  Exception stack is:
  1. Cannot coerce a :binary to a :array (com.mulesoft.weave.model.values.coercion.exception.UnsupportedTypeCoercionException)
    com.mulesoft.weave.model.values.formatting.ArrayFormatTypeCoercionValue:31 (null)
  2. Exception while executing: 
  payload map {
  ^
  Cannot coerce a :binary to a :array (com.mulesoft.weave.mule.exception.WeaveExecutionException)
    com.mulesoft.weave.mule.WeaveMessageProcessor:124 (null).</p>
  
  <p>Abybody have idea what's happened. Anybody had same problem with that example?</p>