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 ('867c667c0f02e0e7b33820aa89151079', -1, 1714229092, 1714229092, '03909ad0', 21, 0)

Line : 158
File : sessions.php