What is the meaning of the "M106-X axis left limit abnormality (X4)" error message for a CNC machine?

What is the "KM-ASSYM5-07" error code assigned to this specific machine and why is it important?

What
The M106 error message usually indicates abnormalities in the X-axis motion control of your printer. One possible solution is to adjust the bed leveling procedure and calibration process to prevent the left limit of the bed from touching or going