Error message

• Notice: Undefined offset: 3 in user_node_load() (line 3697 of /homepages/18/d443224071/htdocs/modules/user/user.module).
• Notice: Trying to get property 'name' of non-object in user_node_load() (line 3697 of /homepages/18/d443224071/htdocs/modules/user/user.module).
• Notice: Undefined offset: 3 in user_node_load() (line 3698 of /homepages/18/d443224071/htdocs/modules/user/user.module).
• Notice: Trying to get property 'picture' of non-object in user_node_load() (line 3698 of /homepages/18/d443224071/htdocs/modules/user/user.module).
• Notice: Undefined offset: 3 in user_node_load() (line 3699 of /homepages/18/d443224071/htdocs/modules/user/user.module).
• Notice: Trying to get property 'data' of non-object in user_node_load() (line 3699 of /homepages/18/d443224071/htdocs/modules/user/user.module).