MySql mala

[figu120]

Hola amigos del fro pues la evrdad nos e q pasa con el MYsql ya q cuando intnto ingresar no avanza y unas tablas no em funcionan me sale el sgt error

phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './figu120_nomas/nuke_bbsessions' is marked as crashed and should be repaired

INSERT INTO nuke_bbsessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dd2bda3813916ffe440395ebd6bd3168', '1', '1198708019', '1198708019', 'be1ce0ed', '0', '0', '0')

Line : 219
File : sessions.php