Error Returned!

There was a error at the reference to a Database (MySQL)

ERROR: Cannot find database 'db_rtkz1_5'
MySQL Error: Access denied for user 'dbu_rtkz1_5'@'10.3.253.114' (using password: YES)
MySQL Error code: 1045
Date: Sunday 19th 2018f August 2018 11:01:29 AM