please help me, I touch down and when I go to play custom songs that I added a bug happens, the instrument arm does not appear and the notes does not come from meeting with the screen, how do I solve?

Don't know if i have to answer you in spanish or english, but i prefer to do it in english:

That happens if the custom is not well done, because they haven't placed a section properly, or simply because the RS Toolkit created that bug, so i highly recommend you to download the toolkit, and "Import" the CDLC, then click on Generate and try to play it on Rocksmith