Kontext dont display last page in koncordance

[tomachalek]

In given query when you try to go for the page 12/12 with next page button Kontext reports error:
Failed to process your request. Please try again later or contact system support.

https://kontext.korpus.cz/view?q=~mKpaKzXj;fromp=11;corpname=intercorp_v7_cs&usesubcorp=Core+czech&maincorp=intercorp_v7_cs&viewmode=align&pagesize=100&align=intercorp_v7_be%2Cintercorp_v7_bg%2Cintercorp_v7_ca%2Cintercorp_v7_da&attrs=word&attr_allpos=kw&ctxattrs=word&structs=div%2Cs&refs=doc%2C%3Ddoc.id