This is unusual because we use Google maps to find addresses, but sometimes the system can make mistakes. You can try leaving the address blank and manually enter it on the next screen.
If you're going to a hotel, just type the hotel name.
The most common reason the system can't find an address is when you include the floor or room number. Just type in the street name, the building number, and the zip code, and the system should be able to find it. Other details are not needed.