phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table '.\phpbb2\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 ('373c4f71f2a64a6334be09c761f0661b', -1, 1503045973, 1503045973, '369c3668', 0, 0, 0)

Line : 187
File : sessions.php