phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO ataricomputers_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('0cc4c62dbb0b8496a31a3d3751619af8', -1, 1713445346, 1713445346, '12740f1f', -1290, 0, '0', '0')

Line : 175
File : sessions.php