Error after upgrade to 1.6

Hi all,

I upgraded to LightBurn 1.6 for my Longer B1 30W, when i try to burn an image I’m getting the following errors…

ALARM:2

G-code motion target exceeds machine travel. Machine position safely retained. Alarm may be unlocked. (Right-click the ‘Devices’ button to reset the connection)

On or near line 0:

Stream completed in 0:00

ok

Grbl 1.1 [‘$’ for help]

Your Grbl may not support Variable Power mode (M4)

If your laser does not turn off between cuts,

switch to the GRBL-M3 device

FW:LGT V1.2.3|MB:LS_ESP32

ok

[MSG:‘$H’|‘$X’ to unlock]

[MSG:Caution: Unlocked]

ok

I have reset the connection, but I don’t know what the resolution is.

Any help would be appreciated…

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