phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpporta_mainSite/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 ('860931aefba03971b5aaa09aa7ee738a', -1, 1436307101, 1436307101, '36a20c86', 31, 0, 0)

Line : 172
File : sessions.php