Error type file appear using topwisdom controller from lightburn?

[xkid (AI+)]

from lightburn software can control the machine. for example to move the laser right, left,frame and set the origin. but when to start send to the controller it appear file type error.
same thing also if i save out to Pendrive and still can not read the file.

please help what to do?

[parsec (FerAS)]

I may be wrong but check if controller memory is full and delete some files.