Hard limit triggered. Machine position is likely lost due to sudden and immediate halt

LightBurn Software Questions
1

Having reoccurring issue. Move spots and not one job finishes, al get this ALARM Hard Limit Triggered. I am new to this all and after reading boards am more confused on how to fix issue. Please help in simple terms. I have pasted last two messages below.

ALARM:1

Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.

On or near line 1731:

Job halted

Stream completed in 2:14

[MSG:Reset to continue]

ok

Grbl 1.1h for MillRight CNC Carve King 2 [‘$’ for help]

[MSG:‘$H’|‘$X’ to unlock]

[MSG:Caution: Unlocked]

ok

Layer head1

ALARM:1

Hard limit triggered. Machine position is likely lost due to sudden and immediate halt. Re-homing is highly recommended.

On or near line 1623:

Job halted

Stream completed in 2:02

[MSG:Reset to continue]

ok

Grbl 1.1h for MillRight CNC Carve King 2 [‘$’ for help]

[MSG:‘$H’|‘$X’ to unlock]

[MSG:Caution: Unlocked]

ok

2

What ‘Start From’ mode are you using? If you’re using something other than ‘Absolute Coords’, you could be commanding your laser to move somewhere it can’t, which is triggering the limit switches and causing that error.

Here are a couple of resources to help you get familiar with the way this setting works:

3

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