phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './tripleac_Forum/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 ('8298965cc05a7bef6273c4c3ef9e68ed', -1, 1454995432, 1454995432, '36a72e1d', -1, 0, 0)

Line : 187
File : sessions.php