Error message

Deprecated function: unserialize(): Passing null to parameter #1 ($data) of type string is deprecated in css_injector_init() (line 53 of /opt/dr7/contrib/modules/css_injector/css_injector.module).

Q & A with Tope Koleoso and David Campbell]

Session 4 at the 2013 Newfrontiers Ontario day conference.

(Note that the recording finished before the end of the session, so the last few minutes are not available)