phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('96797f5ee5bf0ba13b6d3e3e3ee6f6b0', -1, 1416596145, 1416596145, '365a9ef5', -1, 0, 0)

Line : 187
File : sessions.php