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 ('8d69d0e996f82f6ffaab9c68a234d2c6', -1, 1737557011, 1737557011, '0391a5ef', 3, 0, 0)

Line : 187
File : sessions.php