[Solved] latex Compile llncs2e reference error locally

Problem Description:

Using these statements on Overleaf generates Reference successfully, but local compilation does not compile it, and the pdflatex -> bibtex -> pdflatex2 or xelatex -> bibtex -> xelatex2 recipe reports an error.

Add at the header:

\usepackage[backend=bibtex,style=alphabetic,sorting=ynt]{biblatex}

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