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 ('5fb03d77a68f67fe4bcd9c14827acc1d', -1, 1711707771, 1711707771, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php