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 ('a4fae2c42a903624dcd89b1b9cb4cb0f', -1, 1750827741, 1750827741, 'd849d8b0', 23, 0)

Line : 158
File : sessions.php