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 ('3c35705f8b2c6226f2b51c4d6aafa6bd', -1, 1555805474, 1555805474, '0354b670', 7, 0, 0)

Line : 187
File : sessions.php