phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tattooty_tatforums/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 ('73e5195a65dd6f8fb8a752991901b0e1', -1, 1411409597, 1411409597, '365ce764', 8, 0, 0)

Line : 187
File : sessions.php