The first error message means that there are some characters on your page that are not supported by the UTF8 encoding.
either you will need to use a encoding that supports those character, or remove them from the page.
As for creating the table, there are a number of things that may cause this. Most likely it is a problem with the testing server settings in your site definition.
the SQL script that is created can be used to import the table manually:
http://www.webassist.com/tutorials/Import-a-sql-file