definer/invoker of view lack rights to use them

mysql phpmyadmin

PHP Snippet 1:

CREATE ALGORITHM=UNDEFINED DEFINER=`previoushost`@`localhost`
    SQL SECURITY DEFINER VIEW `view_user`  
    AS SELECT `user`.`id`,`user`.`name` ....

PHP Snippet 2:

CREATE VIEW `view_user`  
    AS SELECT `user`.`id`,`user`.`name` .....