This answer is appended as a solution for all those older Apple Mac versions, such as Snow Leopard In the output above you will see that there are aliases defined by ' or something ' but there is no alias for the FAT32 filesystem. As mentioned in the comments, ensure that you use a tool such as diskutil to check which disk you are formatting.
To avoid having everything fail, simply ensure that there are no square brackets in the FAT32 volume's new name.
