[Ger-Poland-Volhynia] broken link(s) - anyone else having problems?

[kitchur at mymts.net]

on this area (archives in Poland) 
https://sggee.org/SGGEE2009/research/archive.html 

then select- 
information for genealogists 

and/or 
2. Plock Regional Archives 

and all subitems under that heading 

are resulting in 
404 not found 
Not Found 


The requested URL /acts_start_en.php was not found on this server.