errore con loading

[Giuseppe C]

errore con loading:

Cosa vuol dire questo errore:

**Error** Scene=Scene 1, layer=Loading, frame=1:Line 2: Type mismatch in assignment statement: found Number where Boolean is required.
_visible = 2;

**Error** Scene=Scene 1, layer=Loading, frame=1:Line 9: Type mismatch in assignment statement: found Number where Boolean is required.
_visible = 2;

Total ActionScript Errors: 2 Reported Errors: 2

grazie per l'aiuto