Errors on demo site

I noticed some errors on the demo site, just the part I was curious about...

• http://mutualcreditmodule.matslats.net/transact/one2many
• http://mutualcreditmodule.matslats.net/transact/many2one

Notice: Trying to get property of non-object in _transaction_form() (line 109 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/mcapi.inc).
Notice: Trying to get property of non-object in _transaction_form() (line 117 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/mcapi.inc).
Notice: Trying to get property of non-object in _transaction_form() (line 124 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/mcapi.inc).
Notice: Trying to get property of non-object in _transaction_form() (line 134 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/mcapi.inc).
Notice: Trying to get property of non-object in _transaction_form() (line 141 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/mcapi.inc).
Notice: Trying to get property of non-object in mcapi_form_build() (line 81 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/extras/forms/mcapi_forms.inc).
Notice: Trying to get property of non-object in mcapi_form_build() (line 100 of /srv/www/aegir/platforms/drupal-7.20/sites/all/modules/mutual_credit/extras/forms/mcapi_forms.inc).