LaTeX.org

Hi, I am working on a paper, which was completed and working fine yesterday.
Suddenly today it is not compiling.
The body is as below

\documentclass[12pt,english]{article}
\usepackage{graphicx} % for graphics
%\usepackage[draft]{graphicx} % temporarily turn off graphicx
%\usepackage{subfig ...

\documentclass[12pt,english]{article}
\usepackage{lscape}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\usepackage{array}
%\usepackage{floata}
\usepackage{multirow}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{esint}
\usepackage{booktabs} %for table ...

I initiate in overleaf
\documentclass[]{article}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{booktabs}
\usepackage{amsmath}
\usepackage{rotating}
\usepackage{lscape}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{float}
\usepackage{booktabs,caption ...

\documentclass[]{article}
\usepackage{hyperref}
\bibliographystyle{apalike}

\bibliography{paper1}
\bibliographystyle{apalike}

My bibliography is doubling up with references in square bracket. How can I remove the elements in square bracket. for example
[Acemoglu et al., 2015] Acemoglu, D ...