Freeway - how 

hi, just installed Freeway and getting these errors on the site, please let me know what is wrong, thank you 

Severity: Notice
Message:  Undefined offset: 1
Filename: freeway/ext.freeway.php
Line Number: 72

Severity: Warning

Message: Cannot modify header information - headers already sent by 

Filename: libraries/Functions.php

Line Number: 806
