Found a bug: toString() range error

[semialien]

Win10, 32bit. Writing a ubuntu mate raspberry image to a samsung 128 GB card.

[thundron]

Hi semialien,
Thank you for reporting this, we chased down the error and it will be fixed in the next releases

[joealteri]

I received the same error using Win7, 32bit. Also a Samsung 128GB card. Thx.