LUM was a Groovy based SmartApp that ran in the SmartThings cloud. ST shutdown all Groovy apps in Jan 2023. The version of LUM you have will never work again.
If SLGA is not available in your region, the 3rd party service Seam or lockmanager.io might be an option.
If SLGA is available, your lock will need to be using an Edge driver which is a replacement for the legacy Device Type Handlers (DTH). If your lock hasn’t been migrated to an Edge driver yet, you will need to exclude your lock from the network. Once you do that, go into the IDE and delete any custom DTH you have installed. Then re-add your lock in the ST app using Add Device->Brand->Yale. Check that your device is supported prior to excluding it from the network and deleting any DTHs.