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 ('2a56cabe61406f9e1bf79e6042cf63bb', -1, 1716081440, 1716081440, '12e1958f', 5, 0)

Line : 158
File : sessions.php