installation error

I try to install omeka vers 2 but when I select my url to begin installation appears the following error:
syntax error, unexpected $end, expecting TC_DOLLAR_CURLY or TC_QUOTED_STRING or '"' in /omeka/db.ini on line 20
How could I solve this?

That looks like there's a missing quotation mark in the database you put into db.ini. Check that the values all begin and and with "