https://sensoryguru.zendesk.com/hc/en-us/articles/360003224478-Replacing-Missing-Software-Files

This is the guide for this issue, it’s usually caused by missing files in the software.

Systems built within the last 3 years will have the backup folder mentioned in the guide which you can use to replace them, then you just need to re-calibrate the system and it’s good to go.