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 ('9c4227a1b2b80a016bc83775b51b187e', -1, 1711642959, 1711642959, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php