I got this Email regarding Database Errors Found. Is this a serious issue, and what needs to be done to resolve this issue, and is this an issue that can be prevented?

Database errors found.
/opt/zimbra/mysql/bin/mysqlcheck --defaults-file=/opt/zimbra/conf/my.cnf -S /opt/zimbra/db/mysql.sock -A -C -s -u root --password=GZRwAviQNfps7GiEbNiLhYaNydEvxLYh
mysql.general_log
Error : You can't use locks with log tables.
mysql.slow_log
Error : You can't use locks with log tables.
zimbra.config
error : Table upgrade required. Please do "REPAIR TABLE `config`" or dump/reload to fix it!
zimbra.deleted_account
error : Table upgrade required. Please do "REPAIR TABLE `deleted_account`" or dump/reload to fix it!
zimbra.mailbox
error : Table upgrade required. Please do "REPAIR TABLE `mailbox`" or dump/reload to fix it!
zimbra.mailbox_metadata
error : Table upgrade required. Please do "REPAIR TABLE `mailbox_metadata`" or dump/reload to fix it!
zimbra.mobile_devices
error : Table upgrade required. Please do "REPAIR TABLE `mobile_devices`" or dump/reload to fix it!
zimbra.out_of_office
error : Table upgrade required. Please do "REPAIR TABLE `out_of_office`" or dump/reload to fix it!
zimbra.scheduled_task
error : Table upgrade required. Please do "REPAIR TABLE `scheduled_task`" or dump/reload to fix it!
zimbra.table_maintenance
error : Table upgrade required. Please do "REPAIR TABLE `table_maintenance`" or dump/reload to fix it!