phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21b16f56f9cabe17f184ade27a28b4d6' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('21b16f56f9cabe17f184ade27a28b4d6', -1, 1714719907, 1714719907, '1275b796', -8, 0, 0)

Line : 187
File : sessions.php