Missing program lines

I have a arcmate 100 fanuc robot that has an A side and a b side for some reason every program on the b side as only one line but the A side program same program for the B side. The A side still has their programs for every program. Why is the B side for thes program are missing

Okay. Then how can I copy the program lines from the A side to the B sidehow do you copy a program and transfer it to the other side. fanuc robot in the same program this has an A side and then a B side thanks

Thank you Ek. I am new about programing how do you create a backup thanks sir .

Thank you sir

Oh I have an rj3 controller. Not the new one that is shown on the video. Need to know how to navigate with thst one thanks .

Well want to give an update. On this thread it is fixed I didn't lose the program lines what happened was it didn't have the call B side for that program . We added it and now it works. Great 👍