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 ('57d81a6c6f568c14f9d77eb50d63ebd0', -1, 1550294301, 1550294301, '0352345b', -9, 0, 0)

Line : 187
File : sessions.php