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 ('13ef1e5a86e6cebd637fb3d65b9b336f', -1, 1752880142, 1752880142, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php