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 ('1c66f03558641b8c3d2a8e388c59b2c7', -1, 1711704827, 1711704827, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php