Drupal 7.8

I just started my affiliate but when i use firefox browser and i click registration linke i get this error:

Notice: Trying to get property of non-object in ms_affiliates_form_user_register_form_alter() (line 845 of /var/www/vhosts/mysite.com/mysite.com/httpdocs/sites/all/modules/ms_affiliates/ms_affiliates.module).
Notice: Trying to get property of non-object in ms_affiliates_form_user_register_form_alter() (line 851 of /var/www/vhosts/mysite.com/mysite.com/httpdocs/sites/all/modules/ms_affiliates/ms_affiliates.module).

Also on google chrome when i log out i get this:

>Notice: Undefined index: name in ms_affiliates_init() (line 356 of /var/www/vhosts/warriorpips.com/warriorpips.com/httpdocs/sites/all/modules/ms_affiliates/ms_affiliates.module).

Any idea what is going on ?