Problem with Apps with OS 6.1.6 (mysql)

Til i install OS 6.1.6 on my NAS RN102 i got problem with mysql. It stopped and all apps needed mysql to start didn't work.
I try to install update from app menu it's not possible to mysql 1.0.1 version. (install failed) ??????? i try to uninstall the version of mysql 1.0.0 not possible to?

In ssh mode after stopping the deamon and restarting message failed

Loaded: loaded (/etc/init.d/mysql)
Active: failed (Result: exit-code) since Tue, 04 Mar 2014 07:56:17 +0100; 44min ago
CGroup: name=systemd:/system/mysql.service

Mar 04 07:56:02 NAS_BARTONELLA mysqld[26633]: 140304 7:56:02 InnoDB: Compre...7
Mar 04 07:56:02 NAS_BARTONELLA mysqld[26633]: 140304 7:56:02 InnoDB: Using ...O
Mar 04 07:56:02 NAS_BARTONELLA mysqld[26633]: [75B blob data]
Mar 04 07:56:02 NAS_BARTONELLA mysqld[26633]: 140304 7:56:02 InnoDB: Error...8
Mar 04 07:56:17 NAS_BARTONELLA /etc/init.d/mysql[26839]: 0 processes alive an...
Mar 04 07:56:17 NAS_BARTONELLA /etc/init.d/mysql[26839]: [61B blob data]
Mar 04 07:56:17 NAS_BARTONELLA /etc/init.d/mysql[26839]: error: 'Can't connec...
Mar 04 07:56:17 NAS_BARTONELLA /etc/init.d/mysql[26839]: Check that mysqld is...
Mar 04 07:56:17 NAS_BARTONELLA /etc/init.d/mysql[26839]:
Mar 04 07:56:17 NAS_BARTONELLA mysql[26270]: Starting MySQL database server:...!

What's the problem

thanks a lot !