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 ('0035eca64e7101a9a546f1834707d9a4', -1, 1711694102, 1711694102, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php