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 ('a2a858f58d2233a29ef5d7d7aa8087a7', -1, 1550640205, 1550640205, '36d23d29', -4, 0, 0)

Line : 187
File : sessions.php