Normally, in numerical input fields [...] if I type any non-numerical character (most commonly I erroneously type "E" instead of "Enter" expecting it to confirm the input), the game freezes for some seconds (around 5 second if only one character is typed) becoming unresponding

653.446 Error ...

I'm having a similar issue and I hope I can give some more details.

I'm using version [2.0.32] (build 81349 expansion win64) with Space Age installed (but is has always occurred even when I didn't have Space Age installed yet and in previous versions, since 2.0).

There are a couple of different ...