I have a problem with this code






Error: ! Undefined control sequence. \XC@usec@lor ...\expandafter \c@lor@to@ps #1#2@@ \else \expandafter \expand... l.9 \end {pspicture} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., \hobx'), typeI' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined.

Do you anyone know what I do wrong?

Thank you!

  • Welcome to TeX SX! Very probably, you compile with pdflatex, which does not understand postscript. Try compiling with xelatex. – Bernard Jun 28 at 9:39
  • Thank you! It's working! – Jan Beran Jun 28 at 9:59
  • B.t.w;, from your error message, you seem to have a not so recent distribution. Am I wrong? – Bernard Jun 28 at 10:01
  • I have TeXLive 2017. – Jan Beran Jun 28 at 10:39
  • It's not so old, but perhaps you should update to TeX Live 2019. – Bernard Jun 28 at 11:07

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