I have suddenly not been able to update my Bibliography. I tried to troubleshoot and made things worse. Does anyone have any thoughts on what to do? Is there a package I am missing?
\documentclass[12pt,letterpaper]{report}
\usepackage{natbib}
\usepackage{geometry}
%\usepackage{fancyheadings} fancyheadings is obsolete: replaced by fancyhdr. JL
\usepackage{fancyhdr}
\usepackage{afterpage}
\usepackage{graphicx}
\usepackage{amsmath,amssymb,amsbsy}
\usepackage{dcolumn,array}
\usepackage{tocloft}
\usepackage{asudis}
%\usepackage{biblatex}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{graphicx}
\graphicspath{ {./Ch 5 Figures/} }
\begin{document}
%-----------------------front matter
\pagenumbering{roman}
\title{}
\author{}
\degreeName{}
\defensemonth{}
\gradmonth{}
\gradyear{}
\chair{}
\maketitle
\doublespace
\include{abstract}
\dedicationpage{\\Enter content here.}
\acknowledgementpage{}
%\include{ack}
\tableofcontents
% This puts the word "Page" right justified above everything else.
\addtocontents{toc}{~\hfill Page\par}
% Asking LaTeX for a new page here guarantees that the LOF is on a separate page
% after the TOC ends.
\newpage
% Making the LOT and LOF "parts" rather than chapters gets them indented at
% level -1 according to the chart: top of page 4 of the document at
%
ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/tocloft/tocloft.pdf% This gets the headers for the LOT right on the first page. Subsequent pages
% are handled by the fancyhdr code in the asudis.sty file.
\addcontentsline{toc}{part}{LIST OF TABLES}
\listoftables
\addtocontents{lot}{Table~\hfill Page \par}
\newpage
\addcontentsline{toc}{part}{LIST OF FIGURES}
\listoffigures
\addtocontents{lof}{Figure~\hfill Page \par}
\newpage
\addcontentsline{toc}{part}{LIST OF SYMBOLS}
\clearpage
\symbolspage{}
\addcontentsline{toc}{part}{PREFACE}
\clearpage
\addtocontents{toc}{CHAPTER \par}
\prefacepage{\\Enter content here.}
% This gets the headers for the LOF right on the first page. Subsequent pages
% are handled by the fancyhdr code in the asudis.sty file.
%-----------------------body
\doublespace
\pagenumbering{arabic}
\include{chapter1}
\include{chapter2}
\include{chapter3}
\include{chapter4}
\include{chapter5}
\include{chapter6}
\include{chapter7}
%-----------------------back matter
{\singlespace
% Making the references a "part" rather than a chapter gets it indented at
% level -1 according to the chart: top of page 4 of the document at
%
ftp://tug.ctan.org/pub/tex-archive/macros/latex/contrib/tocloft/tocloft.pdf\addcontentsline{toc}{part}{REFERENCES}
\bibliographystyle{asudis}
\bibliography{disBib20230828r10}}
\renewcommand{\chaptername}{APPENDIX}
\addtocontents{toc}{APPENDIX \par}
\appendix
\include{appendix1}
\addcontentsline{toc}{part}{BIOGRAPHICAL SKETCH}
\biographicalpage{\\Enter content here.}
\include{vita}
\end{document}