-$err = write_config_db($table_prefix != "");
-if ($err == -1)
- display_error("Cannot open the configuration file ($config_filename)");
-else if ($err == -2)
- display_error("Cannot write to the configuration file ($config_filename)");
-else if ($err == -3)
- display_error("The configuration file $config_filename is not writable. Change its permissions so it is, then re-run step 4.");
-