Can not manually change the permalink of a post in the EDIT secion

It’s not possible to use the same permalink for different pages, but WordPress won’t give you a error message detailing this when editing a permalink. It just silently fails.

This could be the case here? Confusing; pages in ‘Trash’ still count…

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