Error with DecimalType

[rossko57]

heiz_wecker_joerg_timer is defined as a string, not a number

Typical parsing example here

Changing string item to number type in rule?

If it is an integer value (i.e. no decimal place) you can do this in your rule: if(Integer::parseInt(mqttNWBattery.state) < 25) If it does have a decimal point use Double::parseDouble() instead However, if you make your Item a Number instead of a String OH should be able to parse the value for you, as long as the String is a parseable number (e.g. no leading or trailing spaces) it will convert it to a DecimalType for you. And if there is something a little off about it you can use a transform…