phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('07ab83c2fb8dd36b222d069d8e06f252', -1, 1464293572, 1464293572, '369ed119', -1, 0, 0)

Line : 172
File : sessions.php