Mensaje de error

• Warning: Undefined array key 0 en user_node_load() (línea 3738 de /homepages/26/d858171898/htdocs/sampedro1/modules/user/user.module).
• Warning: Attempt to read property "name" on null en user_node_load() (línea 3738 de /homepages/26/d858171898/htdocs/sampedro1/modules/user/user.module).
• Warning: Undefined array key 0 en user_node_load() (línea 3739 de /homepages/26/d858171898/htdocs/sampedro1/modules/user/user.module).
• Warning: Attempt to read property "picture" on null en user_node_load() (línea 3739 de /homepages/26/d858171898/htdocs/sampedro1/modules/user/user.module).
• Warning: Undefined array key 0 en user_node_load() (línea 3740 de /homepages/26/d858171898/htdocs/sampedro1/modules/user/user.module).
• Warning: Attempt to read property "data" on null en user_node_load() (línea 3740 de /homepages/26/d858171898/htdocs/sampedro1/modules/user/user.module).