Error message

• Notice: Undefined index: voc in theme_tagadelic_weighted() (line 337 of /var/www/incalabria/sites/all/modules/contrib/tagadelic/tagadelic.module).
• Notice: Trying to get property of non-object in theme_tagadelic_weighted() (line 337 of /var/www/incalabria/sites/all/modules/contrib/tagadelic/tagadelic.module).
• Notice: Undefined index: voc in theme_tagadelic_weighted() (line 338 of /var/www/incalabria/sites/all/modules/contrib/tagadelic/tagadelic.module).
• Notice: Trying to get property of non-object in theme_tagadelic_weighted() (line 338 of /var/www/incalabria/sites/all/modules/contrib/tagadelic/tagadelic.module).