jm ¹ ¨ÐZÛð{ôOú êÈPëUNåÕÕt$ÊòvlBKL²Thanks for reporting! When you only have 1 token to spend it disables the amount field. Perhaps that is not working correctly and/or UI needs improvement. I will look into it.
https://whatsonchain.com/tx/f8dd566e0e0ef00d236723f1036fe95ef17740e087a2725545f4dae54165852e