Error message

• Notice: Undefined offset: 1 in user_node_load() (line 3738 of /home/saludyfamilia/www/modules/user/user.module).
• Notice: Trying to get property of non-object in user_node_load() (line 3738 of /home/saludyfamilia/www/modules/user/user.module).
• Notice: Undefined offset: 1 in user_node_load() (line 3739 of /home/saludyfamilia/www/modules/user/user.module).
• Notice: Trying to get property of non-object in user_node_load() (line 3739 of /home/saludyfamilia/www/modules/user/user.module).
• Notice: Undefined offset: 1 in user_node_load() (line 3740 of /home/saludyfamilia/www/modules/user/user.module).
• Notice: Trying to get property of non-object in user_node_load() (line 3740 of /home/saludyfamilia/www/modules/user/user.module).