ERROR: The Common DataBase cannot be locked for writing: Object already locked (While trying to lock object) !THE iCDB WILL NOT BE UPDATED!

Hi

i created a new project but when i try to package it in give me that ERROR:

ERROR: The Common DataBase cannot be locked for writing:
Object already locked (While trying to lock object)
!THE iCDB WILL NOT BE UPDATED!

can someone help me with that