Report error (blue-yonder#337)

Good point!

Author: earthgecko

.github/ISSUE_TEMPLATE.md

@@ -6,5 +6,6 @@ We, the maintainers, are happy to help you. When opening an issue, please provid
 2. The version of *tsfresh* that you are using
 3. The data on which the problem occurred (please do not upload 1000s of time series but try to boil the problem down to a small group or even a singular one)
 4. A minimal code snippet which reproduces the problem/bug
+5. Any reported errors or traceback
 
 For questions, you can also use our [gitter chatroom](https://gitter.im/tsfresh/)