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 ('510e8ae22d9c49f0b9888b3c3ae7e8e4', -1, 1711703016, 1711703016, '54ccfc03', 0, 0, 0)

Line : 187
File : sessions.php