unable to change default URL at “General Settings” page

In functions.php look for lines like

update_option('siteurl','http://blog.financialcoachshow.com/blueocean/institutional');
update_option('home','http://blog.financialcoachshow.com/blueocean/institutional');

Delete them!

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