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 ('65820805761079591c4b0c210f7380cc', -1, 1714076165, 1714076165, '038a7226', 6, 0, 0)

Line : 187
File : sessions.php