After updating to 2.1.4 I'm periodically seeing the following error in my logs:
dev:4502019-08-22 10:14:36.478 pm info Shed Dehumidifier voltage is 123.204 V
dev:4502019-08-22 10:13:23.854 pm error java.lang.NumberFormatException: null (parse)
dev:4502019-08-22 10:10:36.586 pm info Shed Dehumidifier voltage is 123.286 V
dev:4502019-08-22 10:00:36.548 pm info Shed Dehumidifier voltage is 123.368 V
dev:4502019-08-22 09:59:24.040 pm error java.lang.NullPointerException: Cannot invoke method and() on null object (parse)
dev:4502019-08-22 09:57:52.527 pm info Shed Dehumidifier energyDuration is 10.11 Days
dev:4502019-08-22 09:57:37.790 pm info Shed Dehumidifier voltage is 123.286 V
This is using the built in device handler.