So, my dear latex editor is making me crazy. He does not want to compile:


F  \arrow{r}{\Gamma_F} \arrow{d}{\alpha} & Sh(F)|_B \arrow{d}{\beta_B}\\

G|_B \arrow{r}{=} G|_B


Why?? Thanks for help!

  • Please remove the empty lines and also add a second column to the second row, e.g. G|_B \arrow{r}{=} G|_B & ~\\ . – user121799 Sep 8 '18 at 5:59
  • Could you type the concrete code with your changes, as I am a beginner on latex usage?? – nikola Sep 8 '18 at 6:01

Too long for a comment. You could drop the empty lines and also make sure that the diagram has a 22 entry. E.g.

F  \arrow{r}{\Gamma_F} \arrow{d}{\alpha} & Sh(F)|_B \arrow{d}{\beta_B}\\
G|_B \arrow{r}{=} & G|_B \\

enter image description here

  • sorry, no. On the bottom line I need $G_B$ and $G_B$ not this... – nikola Sep 8 '18 at 6:04
  • @nikola Then you only need to add a \&. – user121799 Sep 8 '18 at 6:06

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