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) VALUES ('7bd58b98024e878de383b7bfcd04a2ef', -1, 1516794663, 1516794663, '36535134', 15, 0)

Line : 158
File : sessions.php