phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('38bc153986b9b8d2eca1b93322ff7ec7', -1, 1730424693, 1730424693, '12bfdfef', -1, 0, 0)

Line : 195
File : sessions.php