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 ('49a040c7803e0984ea4c0ebe65e48df3', -1, 1550638954, 1550638954, '36d23d29', 2, 0, 0)

Line : 187
File : sessions.php