phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b9a4da32f2db61cfda2abc3765411af0', -1, 1717095992, 1717095992, '1274ee45', -9, 0, 0)

Line : 187
File : sessions.php