WordPress Tinymce editor broken and nothing seems to fix it :(

This is likely caused by a regression in TinyMCE (which was updated in 4.9.6).

See https://core.trac.wordpress.org/ticket/44134 for the fixes to go into 4.9.7.

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