Fan speed warning

[ljungis]

I am running a Micro 3D from an Octopi and the plugins CuraEngine 15.04 and M33 Fio 1.21.
Once I created a cura profile with no line specifying the fan speed. After slicing I got the warning as by attached picture. The problem is that after that I get this warning for everything I try to print. No matter if there is a line for the fan speed, sliced inside or outside Octopi. After inactivating M33 Fio there was no warning. So I tried uninstall the plugin M33 Fio and as expected no warning. But after reinstalling and activating the plugin the problem persists. According the Octoprint team the warning doesn't come from Octoprint/pi.

[kldavis4]

I am having the same problem. It was working previously without any warning and now I am getting the error. M33-Fio 1.21 and Octoprint 1.3.2. There was a post mentioning that the fan control gcodes were bad for the profile, but I've tried several different ones with cura and slic3r and getting the same error.