table optimize timeout

[axix20xx]

Hi.
when i use vbulletin repair & optimize, and select all table to optimize, it not working and freezee (image attached) but when only select repair table it working fine. and when select some table vbulletin can optimize & repair this some table

i try this action from phpmyadmin but can not optime and recieve error.
and try from directadmin and recieve time error too