phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '555e0d2bd62529030e11c2788e99b0cf' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('555e0d2bd62529030e11c2788e99b0cf', -1, 1561586426, 1561586426, '22cc2465', 3, 0, 0)

Line : 198
File : sessions.php