Error 404 page in the app must not give the index.html

[filippsen]

Environment/Browser

Version 1.1.0

Description

404 page in the app must not give the index.html, since an error in Interact can throw app into recursive reloading.

Steps to reproduce

Exact steps are unknown.

Expected result

Do not return index.html to prevent endless loop (reloading).

Actual result

Returns index.html which may lead into recursive reloading.