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 ('84b0f88706502d61fd695d38fbdd9060', -1, 1550495102, 1550495102, '22e2d0b9', -4, 0, 0)

Line : 187
File : sessions.php