! Argument of \XKV@t@stoptb has an extra }.
<inserted text> 
\par 
l.144 ...eginDocument to ensure it is fully loaded.}
                                                  
? 
! Emergency stop.
<inserted text> 
\par 
l.144 ...eginDocument to ensure it is fully loaded.}
                                                  
 770 words of node memory still in use:
   2 hlist, 1 rule, 1 dir, 3 kern, 1 glyph, 62 attribute, 72 glue_spec, 33 attr
ibute_list, 29 write, 1 pdf_dest, 1 pdf_colorstack nodes
   avail lists: 2:4,4:1,5:2,6:1,7:4,9:3,11:1
!  ==> Fatal error occurred, no output PDF file produced!
Transcript written on doclicense.log.