Random tag in the post

Someone already asked this question and can be found here:
[https://stackoverflow.com/questions/17321603/how-to-display-a-list-of-random-tags-in-wordpress/22323541]Duplicate issue is resolved[1]

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)