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 ('8f25d23b54f07d3b6b3c6aed4e0f34d0', -1, 1711711597, 1711711597, '54ccfc03', -10, 0, 0)

Line : 187
File : sessions.php