Crthuky

It seems that I cannot reference tables when they are placed inside onlyenv, but . This applies to both of cref and the traditional ref

Here is the MWE. When you try to run it, you must do so twice to get the real result.

documentclass[aspectratio=169, xcolor=x11names]beamer


usecolorthemeseahorse
useouterthememiniframes
useinnerthemeinmargin
usefonttheme[onlylarge]structurebold
setbeamertemplatecaption[numbered]

% Command to change margins for a page wide
makeatletter
newcommandframePageWide
 defGm@lmargin5mm%
 defGm@rmargin5mm%
 textwidth=dimexprpaperwidth-Gm@lmargin-Gm@rmarginrelax
 hsizetextwidth
 columnwidthtextwidth
 setlengthlinewidthtextwidth
 hoffset=dimexpr-beamer@leftsidebar+Gm@lmargin-0mmrelax

makeatother
newcommandframePageWideEnumIsetlengthleftmargini10mm


 usepackageadjustbox
 usepackageragged2e
 usepackagetabularx
% BEGIN_FOLD

 newcolumntypeC >arraybackslash CenteringX 

 newcommandscalelinespace[1]
 rule0pt#1normalbaselineskip
 

% END_FOLD

 usepackagebooktabs
 usepackagemakecell

 usepackageamsmath
 usepackageamssymb, amsfonts

 usepackagecleveref
 crefformattableTable #1


begindocument

framePageWide

beginframeTables

beginonlyenv<1>

 framePageWideEnumI

 beginitemize
 item Item 1
 item Item 2
 enditemize

endonlyenv

beginonlyenv<2>

 begintable

 beginadjustboxminipage=0.5textwidth, valign=t

 captionTime, in seconds, needed to calculate a single $Z_bus$ Element
 labeltable:results2

 begintabularxlinewidthc C C

 toprule

 System Size & Our Method & Brown's Method
 \
 addlinespace

 200-bus & $4.3times10^-6$ & $0.092$
 \
 Xhline0.25mm

 2383-bus & $3.8times10^-6$ & $166.2$
 \
 Xhline0.25mm

 3120-bus & $3.2times10^-6$ & $398.8$
 \

 bottomrule

 endtabularx

 endadjustbox
 hfill
 beginadjustboxminipage=0.43textwidth, valign=t

 From creftable:results2 we see that

 beginitemize
 item Our method is fast
 item By contrast, Brown's becomes very slow when the system is large
 enditemize

 endadjustbox

 endtable

endonlyenv


endframe



enddocument