title: Dart & SQFLite & DatabaseException
body: <p>i'm new on Flutter/Dart, on my code i'm retrieving some data from a table and map it to a List
  My code works fine but i'd like to Handling errors &amp; exceptions so i tried to use DatabaseException 
  This is my code:
  <img src="https://i.stack.imgur.com/Ajn6J.png" alt="my code">
  I know that maybe the question is basic but i don't understand
  why list is no valid inside <code>"if (e.isNoSuchTableError()) {"</code></p>
  
  <p>Thanks for help</p>
  
  <p>MM</p>