SB-06 Cover Section

Need some help!!

My company was sent over a used SB-06. I have learned how to set everything up but having such a hard time on how to set up the cover feed section for this machine. I can get the machine to pull the covers but the covers get to a point and the machine errors out and then I have to press start on the machine to get it back up and running. I got the machine to mill, glue, Now I am stuck can someone point me in a direction? I have looked all over online but cant find any helpful trick to get me passed this part.