get error to edit variables 2016.1.18 24 june

[info@2next.it]

Hello,
with designer 2016.1.18 get exception error to edit variable... also in a empty report... I edit the first variable... and all is ok, close and try to edit second variable and get error in attached (with 2016.1 17 febbraio all works):

Immagine senza nome1.png (109.46 KiB) Viewed 1310 times

Immagine senza nome.png (35.6 KiB) Viewed 1310 times

Report.mrt

(3 KiB) Downloaded 127 times

Thanks
2next

[info@2next.it]

I try also in 2016.1.19... get in error

thanks

[Alex K.]

Hello,

The issue already fixed. Will be available in the next build tomorrow.

Thank you.