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 ('c38082d5f655e524a190070fa6b4d790', -1, 1717002923, 1717002923, '12da9338', -6, 0, 0)

Line : 187
File : sessions.php