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 ('ec9de0c4d13d9f848b5a7a6c2a310c36', -1, 1550493797, 1550493797, '22e2d0b9', -4, 0, 0)

Line : 187
File : sessions.php