Please follow this instruction, it can help fix the issue:

Close goMeter
Open goMeter in File Explorer: Windows: %LOCALAPPDATA%/goMeter-goLance; Linux: ~/.config/goMeter-goLance; OSX: ~/Library/Application Support/goMeter-goLance
Remove everything from the directory
Start goMeter again, try to start tracking

Updated on: 30 / 09 / 2020