Can't open thermostat scheduler

[bravenel]

Yes, you have an out of date driver. If you fix the device, this error will clear up.

See this:

Thermostat scheduler unable to set fan or mode

That driver is out of date, and its author should update it. The supportedThermostatModes and supportedThermostatFanModes attributes have bad values. For each, the individual words need to be in quotes. To fix it follow these steps: Temporarily change the driver to Virtual Thermostat, hit Save Device. Then put this string in the command box for setSupportedThermostatModes ["auto","off","heat","emergency heat","cool"] and hit the command button. Then put this string in the setSupportedThe…

You only need to fix supportedThermostatModes (not both), and it should be ["off","heat"]