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 ('f7597b55b73d507ed3dbe32119daf879', -1, 1737633721, 1737633721, '1277a73e', -9, 0, 0)

Line : 187
File : sessions.php