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 ('6aeaf50034f4177251f4bcae4efde3a6', -1, 1737641742, 1737641742, '039004c7', -9, 0, 0)

Line : 187
File : sessions.php