Error message

Notice: Undefined offset: 0 in user_node_load() (line 3694 of /home/management68d/public_html/hua/modules/user/user.module).
Notice: Trying to get property of non-object in user_node_load() (line 3694 of /home/management68d/public_html/hua/modules/user/user.module).
Notice: Undefined offset: 0 in user_node_load() (line 3695 of /home/management68d/public_html/hua/modules/user/user.module).
Notice: Trying to get property of non-object in user_node_load() (line 3695 of /home/management68d/public_html/hua/modules/user/user.module).
Notice: Undefined offset: 0 in user_node_load() (line 3696 of /home/management68d/public_html/hua/modules/user/user.module).
Notice: Trying to get property of non-object in user_node_load() (line 3696 of /home/management68d/public_html/hua/modules/user/user.module).