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 ('a664aa30ae9eb5bb28ce7982b530a4fc', -1, 1555619627, 1555619627, '12d79f9c', 3, 0, 0)

Line : 187
File : sessions.php