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) VALUES ('20c6fb46e6a37175a2f3263aa9d48c45', -1, 1751623840, 1751623840, 'd849d8e8', 13, 0)

Line : 158
File : sessions.php