ProblemSaving new song in Sonbook

[Marcel]

good evening to all
I all, I have 8 list containing a total of 1134 song
wen i tried to writte a new song it tells me
Writte edit sing failed, i can see the song name, if i try to load it, it tells me
Setting the songbook song failed,
is my memory full?
did i lock something?
Can anyone help
Thanks
Have a nice day