403 forbidden on one page only

Does the folder ‘biljke’ exist on the server by any chance?? i.e. do you have wp-admin, wp-content, wp-includes AND biljke as folders in your WordPress root?

[Reposted as an answer so it can be accepted, probably should have done that in the first place without trying to comment!]

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