Trebuie sa astepti putin.
Sursa: http://www.facebook.com/help/community/question/?id=467277446642918
Uite, am gasit o rezolvare :)
http://www.facebook.com/help/community/question/?id=328598257253085
Se intampla daca trimiti multe mesaje/cereri de prietenie intr-un timp scurt :)