Context: I'm doing a poster using tikzposter. Also I'm on ShareLatex, I suspect it might be source of the problem as well.

Problem: I can't add a theorem, this is simply ignored when I compile. Here is a sample:


  \documentclass[18pt, a0paper, portrait, noamsthm]{tikzposter}
\author{Nicolas Hemelsoet}






For the first code, I got this answer:

There are no entries found in a list you have created. Make sure you label list entries using the \item command, and that you have not used a list inside a table.

Any help is really appreciated, many thanks in advance !

  • @egreg that does not explain the first one (I find the structure in tikzposter confusing, so gave up debuging) – daleif Jun 11 '18 at 13:53
  • @egreg : thank you ! Now the diagrams are working but I still can't obtain a theorem. I'll edit my question. – Nicolas Hemelsoet Jun 11 '18 at 13:54
  • @daleif : do you advice me to switch on baposter ? – Nicolas Hemelsoet Jun 11 '18 at 13:56
  • I don't use either, I did a poster some months back, just trying to where I put the code, that was very easy to use and a much easier interface. I don like the combination of \block and theorem, there are probably some lists involved that does not like each other – daleif Jun 11 '18 at 13:58
  • 1
    Possible duplicate of Error with tikzcd and baposter – Stefan Pinnow Jun 11 '18 at 14:48

If I remove the loading of amsthm there is no error.

If you need to style your theorems, you can use ntheorem.


Saving a piece of advice for the future generations: I had a similar issue when writing a document with lots of custom theorem environments (all created with amsthm). When I first used one of them, this issue appeared. The code that defined it was


After inspecting the code for some time and testing with other custom environments, I discovered the problem was that i hadn't closed the escoliox environment when defing escolio. Therefore, when changing the first code to


the problem dissapeared. Oh, I was using Overleaf v2 (which is Overleaf + ShareLaTeX), but I believe this things might not be relevant for this issue.

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