I have a simple problem to compile the script.

NPCSEL(Holvas)
DELAY(1000)
NPCDLG(Holvas)
DELAY(1000)
DLGSEL(Private Warehouse.)
DELAY(1000)
DLGSEL(Deposit an item. (Private Warehouse)) <--- FAIL WHY??
I Think that the sentence - Deposit an item. (Private Warehouse)- is correct.