(11-18-2015, 10:53 AM)circus Wrote: Ok, but I just do the update and the problem appeared immediately afterwards.
I don't know to what to look for now to debug.
I had the exact same message.
Check your overridden function parameters. I chased my tail for 1/2 hour and then realised I was missing $level, $msg in my write_log function parameters.
Also don't forget you can't just assume the super object is available (for reference) when overriding CI_log.