Route finder crash .

[Lotus77]

hello all !  :)
I'm new here , and I have a problem whith "Route Finder" site , I use this site since 10 years ago , without troubles , and today , after a long time of no-use , i decide to make a flight plan , and surprise ! , he don't want to finalise it , and i can't have a flight plan ...?!   :-\
If someone had the same case ... and the soluce !
Good day for all .