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 ('c278603c8ca3b64c0b1554a1ff5893a6', -1, 1752879642, 1752879642, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php