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 ('adf3c5b2f6187d907d45ae321d5dc66a', -1, 1711710755, 1711710755, '12e87dbc', -11, 0, 0)

Line : 193
File : sessions.php