phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9951f4521b4e9bd0a0a396d23b2acbd6', -1, 1711633599, 1711633599, '54ccfc03', -9, 0, 0)

Line : 187
File : sessions.php