Question Why is external hard drive showing negative space?

[teoie]

I tried to reformat my 1tb external hard drive to a format that plays nice with macOS, and now it shows that the capacity is negative 76 kilobytes. I tried to reformat it after, but it says that the operation failed.

 

[rgd1101]

upload a screenshot of this to imgur.com and post the link here

 

[teoie]

upload a screenshot of this to imgur.com and post the link here

https://imgur.com/a/HYMAqXc

View: https://imgur.com/a/HYMAqXc