Hey,
I have been successfully using piwik 1.5. Today I updated it to 1.6 and it does not work after that . PLease help
http://aks-blog.com/piwik
Error: Unable to start session
Okay, I got it working. It was just that the tmp/sessions folder permission were not correct. The host was preventing it from being set to 777. I just deleted the folder , refreshed the session thats it. Once refreshed it created the session folder
See also: #2717