Here's a list of all error IDs you may find in the exchange.

#101 - No accounts with available credits can be found. Make sure you have at least ONE default site.

#102 - Most likely the setup has failed some how. Take a dump of your database structure and send it to the support (Don't forget to include the version number of the exchange software you're using.

#103 - User account not found. Make sure your account hasn't been deleted and that you're using the correct HTML code (make sure the number after &sid= is correct).

#104 - Make sure you're using the correct host, user name and password for the MySQL database. If you're unsure ask your web hosting company. You set the host, user name and password in the settings.php file (see 1.1.1 The database).

#105 - The database can't be found most likely because it doesn't exists. Make sure you can create a new database (if you selected to create a new database in the setup) or that you entered the correct database name in the settings.php file (see 1.1.1 The database). Please also make sure you have permission to use the database you're trying to use.

#106 - For security reasons you can't start the exchange if setup.php and upgrade.php aren't deleted. Please delete setup.php and upgrade.php and try again.