How to retrieve lost username/ email log- in ?

Without the email it will be hard, WordPress likely will not be willing to release that info. You will have a few options:

  1. Try any email you would have used in the forgot password function.
  2. Search all your emails for the emails you got initially.
  3. WordPress sends update emails periodically so whichever one has gotten those emails

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