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 ('3f9bba8cc4320f750986c8a562215f50', -1, 1550654274, 1550654274, '36aded98', 7, 0, 0)

Line : 187
File : sessions.php