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 ('d16d87b0094779e923d66c10a04a253d', -1, 1711692600, 1711692600, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php