KVK library not loading with ClearURL

[Dragodraki]

When ClearURL ic activated, an important german online archive does not load anymore:

https://kvk.bibliothek.kit.edu/hylib-bin/kvk/nph-kvk2.cgi?maske=kvk-redesign&lang=de&title=KIT-Bibliothek%3A%20Karlsruher%20Virtueller%20Katalog%20KVK%20%3A%20Ergebnisanzeige&head=asset%2Fhtml%2Fhead.html&header=asset%2Fhtml%2Fheader.html&spacer=asset%2Fhtml%2Fspacer.html&footer=asset%2Fhtml%2Ffooter.html&input-charset=utf-8&ALL=test&TI&AU&CI&ST&PY&SB&SS&PU&client-js=yes&inhibit_redirect=1

You can verify it yourself:

1. Open the homapeg https://kvk.bibliothek.kit.edu
2. Use any search term ad hit the search button
3. Instead of the content only a black page will be shown