package:phpmyadmin:4:4.9.5+dfsg1-2 Installing new version of config file /etc/phpmyadmin/lighttpd.conf ... Determining localhost credentials from /etc/mysql/debian.cnf: succeeded. dbconfig-common: writing config to /etc/dbconfig-common/phpmyadmin.conf creating database backup in /var/cache/dbconfig-common/backups/phpmyadmin_4:4.6.6-5ubuntu0.5.2021-01-26-01.30.49. ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES). unable to connect to mysql server. dumping database as user failed, retrying with administrator credentials. applying upgrade sql for 4:4.6.6-5ubuntu0.5 -> 4:4.8.5-1. error encountered processing /usr/share/dbconfig-common/data/phpmyadmin/upgrade/mysql/4:4.8.5-1: mysql said: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) dbconfig-common: phpmyadmin configure: aborted. dbconfig-common: flushing administrative password dpkg: error processing package phpmyadmin (--configure): installed phpmyadmin package post-installation script subprocess returned error exit status 1