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My latex project compiles normally, but when I try to make a copy of it and try to open it, it fails to compile. Literally nothing has changed between the two copies. Has anyone had this problem before? I'm using Sharelatex.com

Johncarlo
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    Hi, welcome. A new copy on ShareLaTeX, or a copy to a local machine? How exactly does it fail? – Torbjørn T. Feb 26 '17 at 22:38
  • can you add the first error message from the .log file? – samcarter_is_at_topanswers.xyz Feb 26 '17 at 22:44
  • It's a new copy on ShareLaTeX. The error message was !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ! ! keyvalue error: "option-unknown" ! ! Unknown option 'vargreek-shape' for package unicode-math. ! ! See the keyvalue documentation for further information. ! ! For immediate help type H . !...............................................

    l.385 \ProcessKeysOptions {unicode-math}

    ? ! Emergency stop. !...............................................

     – Johncarlo Feb 26 '17 at 22:56
  • I have no idea why that type of error would only show on the copy. Unless you've also uploaded a new version of unicode-math.sty to that project, seeing as the vargreek-shape option was dropped in version 0.8 of unicode-math (and ShareLaTeX has v. 0.7f as far as I can see). – Torbjørn T. Feb 26 '17 at 23:06
  • Me neither. I didn't add anything to it, the project was a resume I built from an existing template (posquit0's Awesome Resume), and I wanted to make two resume copies. When I copy it, it fails to compile but the original still works. – Johncarlo Feb 26 '17 at 23:14
  • For the source of the error see http://tex.stackexchange.com/a/352094/36296 – samcarter_is_at_topanswers.xyz Feb 26 '17 at 23:19
  • Now the difficult part: why do you get this message only in one copy and not in the other? I think I remember having read somewhere, that sharelatex does not move old projects to a new version of latex if there is an update. But if a copy is treated as a new project, this would use the new version of latex, including the update which removes the option vargreek-shape. To test this, please remove this option and try again. – samcarter_is_at_topanswers.xyz Feb 26 '17 at 23:23
  • That method worked! the vargreek-shape was messing it up. Thank you! – Johncarlo Feb 27 '17 at 00:08

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It appears that ShareLaTeX keeps several versions of TeX Live around, and older projects will (I assume) use the newest version that was around at the time of the project was created. For that reason, the original version of your project works, as that uses an older version of TeX Live. But when you make a copy of the project, it uses the latest available TeX Live.

This is actually a bit clever, because it avoids problems for users resulting from backwards-incompatible changes in packages. In this case it causes a problem however because the newest version of TeX Live on ShareLaTeX has version 0.8 of unicode-math, in which the vargreek-shape option was removed. The original project had an older version where that option still existed.

But fixing this is simple: In your new project, open awesome-cv.cls, go to line 80, and remove vargreek-shape=unicode, so that line reads 

\RequirePackage[math-style=TeX]{unicode-math}
Torbjørn T.
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