Software Version: Niagara AX (AAC20)
Error Code: VM (42) - Cannot run VM (42)
The VM (42) error code means that the application file uploaded to the device is damaged. The file may get damaged if the uploading process is interrupted or fails. In extreme cases, due to interferences the application file may get damaged. To fix the problem, install the firmware and default application according to the AAC20 - Firmware update guide. Make sure to check the Upload default app.sab and kits.scode option. Next, upload the application backup to the device.