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 ('50bb1c46a1d91f4855575ddee1f1c6f7', -1, 1711652456, 1711652456, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php