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 ('abc77903f08cb00a9d3074f074f6b6fa', -1, 1527232109, 1527232109, '36c6771a', 0, 0, 0)

Line : 189
File : sessions.php