Selection blocked in drawings

Good afternon

i suscribed the toom boom premium for a month but later of a day working a project in toom boom program, then the second day i was opening and i used the drawings of the past day but this cannot to manipulate the lines and the colours with the selection, this appear that the selection was blocked for manipulate the drawings, this occurs same in the section of draws. please help me and how do to unblock the selection or the draws for can i continue my project.

Thanks you