MySQL_class: Database Error occured!

 CODE: 1044
 DESC: Access denied for user 'phpscrip_autousr'@'localhost' to database 'phpscrip_autodemo'
 FILE: index.php
 QCNT: 0
 INFO: Connect(): SelectDB('phpscrip_autodemo') failed!

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PHP v5.4.45 / MySQL Class v0.36