\usepackage{mathtools} \mathtoolsset{showmanualtags}


It worked pretty well, until I've tried to use \left[ ... \right] and the following was showed to me:

!pdfTeX error: pdflatex (file txexs): Font txexs at 758 not found ==> Fatal error occurred, no output PDF file produced!

I figured out that with changing the font from \usepackage{newpxtext,newpxmath} to


there was no problem anymore, but I want to use the other font. How can I solve the problem?

  • Welcome to TeX.SE. – Sebastiano Sep 3 '20 at 15:36
  • 2
    Runs well for me. What TeX distribution are you using? – egreg Sep 3 '20 at 15:39
  • MiKTeX with TeXworks. – Phteve Sep 3 '20 at 19:02
  • @Phteve Have you done the updates? – Sebastiano Sep 3 '20 at 19:14
  • @Sebastiano That helped. I just feel a little stupid. Thank You! – Phteve Sep 3 '20 at 19:23

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