"Hard limit triggered," is flashing over and over in console area

I have a Spider. I just finished a project. Now, im getting a flashing message in the console area on my computer monitor that reads, “ALARM 1” Hard limit triggered. Macine position is likely lost due to a sudden and immediate halt. Re-homing is highly recommended. [MSG:Caution:Unlocked] This repeatedly flashing not allowing me to issue any commands, or do anything. Any advice?

Here is how to address alarm 1, let us know if you continue to receive errors or alarms:

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