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 ('2993d111e1d8e8da3e2f697f59de8645', -1, 1544911899, 1544911899, '36520adb', 2, 0, 0)

Line : 187
File : sessions.php