Failed to maintain connection to :

DunstonUK

I am running

Duet Web Control 2.0.0-RC4

Electronics: Duet WiFi 1.02 or later
Firmware: RepRapFirmware for Duet 2 WiFi/Ethernet 2.03beta3 (2019-03-25b6)
Duet WiFi Server Version: 1.21

Height map saved to file heightmap.csv
02/05/2019, 06:44:50: Failed to maintain connection to 192.168.1.10: Cannot set property 'firstLayerHeight' of undefined
02/05/2019, 06:45:52: Failed to maintain connection to 192.168.1.10: Cannot set property 'firstLayerHeight' of undefined
02/05/2019, 06:46:54: Failed to maintain connection to 192.168.1.10: Cannot set property 'firstLayerHeight' of undefined
02/05/2019, 06:47:58: Failed to maintain connection to 192.168.1.10: Cannot set property 'firstLayerHeight' of undefined

I am now getting the following errors, beforehand all was ok on the previous firmware, any ideas?

Phaedrux

I think your wifi server is a little out of date. Should be running 1.23. Not sure if that will help or not, but worth a shot.

I've never seen that error message before. It could also be related to DWC2.0 RC4. I think it's up to RC6 now, so you may want to also update that.