The HAHTsite Scenario Server reports the following:

The application had a runtime error while processing this page. Report this problem to the site webmaster.

Diagnostic information:

Error The application page Main for StateId Fs7jV97Np7xMwOWI9SH2NEzaTGCFI-3x5D could not be run: The HAHTsite Executable .htx file was not found in the expected directory.
Background Host background15.ucas.ac.uk
Installation Name Update
Server Group General
Server Process hsserver.008
URL /cgi-bin/hsrun.hse/General/gttr_search/
StateId None
Date/time 26 May 2018 16:28:41.561