I'm getting the below error when I try to knit any document into Beamer and I don't understand why. I have Miktex installed and updated.
! LaTeX Error: File `beamerbasemodes.sty' not found.
Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)
Enter file name:
! Emergency stop.
<read *>
l.19
pandoc.exe: Error producing PDF
Error: pandoc document conversion failed with error 43