phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './divx4arab/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9f5d261fb341cc2224bf5409bda0dc19', -1, 1398320224, 1398320224, '36c417ef', 8, 0, 0)

Line : 187
File : sessions.php