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 ('6af73684ed2e8e73bb5882c4521df0c3', -1, 1711721821, 1711721821, '2cdea924', 0, 0, 0)

Line : 193
File : sessions.php