The database cannot be reached because 'localhost', '127.0.0.1' or '.' is entered in the database connection string. However, the local IP address that can be reached via the network must be entered here.
You can change this in the ASA-AMOffice© Server Management Tool. To do this, switch to the tab 'Database' and click on 'Search database'.
Now, check the box 'Enter database server manually' and enter the IP in the textbox below.
If you don't know the IP, contact your administrator