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 ('7c31cc31e0a8182d9c7398c0582b34a2', -1, 1737657752, 1737657752, '1276bdb2', -9, 0, 0)

Line : 187
File : sessions.php