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 ('54f17e5d78b7f3bc31d9e8cd07f073ec', -1, 1711722670, 1711722670, '12ce4c2d', 3, 0, 0)

Line : 187
File : sessions.php