Schalge Door Lock error java.lang.NullPointerException: Cannot invoke method unlock() on null object

[jkp]

You can try @garyd9’s handler https://raw.githubusercontent.com/garyd9/SmartThingsPublic/master/devicetypes/garyd9/zwave-schlage-touchscreen-lock.src/zwave-schlage-touchscreen-lock.groovy

@ethayer

How to…Add Device Handler:

Navigate to: https://graph.api.smartthings.com/ide/devices

Click ‘New SmartDevice’ in the upper right.
Click ‘From Code’

Paste the code from the link (github) above into the text area.

Click ‘Create’

Click ‘Save’

Click ‘Publish’ > ‘For Me’

Change lock device handler to new code:

Navigate to ‘My Devices’: https://graph.api.smartthings.com/device/list

Locate your lock and click on the name in the first column

Click ‘Edit’ on the bottom of the page view
In the ‘Type’ drop-down scroll to the bottom and select ‘Z-Wave Lock Reporting’ or ‘Z-Wave Schlage Touchscreen Lock’

Click ‘Update’ to save changes

There are a couple of SmartApps you can look at for managing your lock:

1. @ethayer Lock Manager
   [OBSOLETE] Lock Manager

2. @RBoy Universal Enhanced Z-Wave Lock, Schlage Lock, Yale Lock, Kwikset Lock, IDLock and DanaLock Device Handler with alarm control, notification, RFID and advanced features
   [RELEASE] Universal Enhanced Z-Wave Lock Driver for Schlage, Yale, Kwikset, IDLock, Popp, Danalock, August Pro, Keywe, Philia, Samsung