KDE Partition Manager can't create new partition table

I’m trying to create a new partition table but KDE Partition Manager says error and we don’t know what error it is.
There is no details whatsoever on what error it is encountering.
Here is the full error message:

Job: Create new partition table on device ‘/dev/sda’
Command: sfdisk --wipe=always /dev/sda
Create new partition table on device ‘/dev/sda’: Error
Create a new partition table (type: gpt) on ‘/dev/sda’: Error

are you doing this from a live USB session or from sda?

the disk needs to be unmounted first and you can only do that if you are booted from somewhere else besides sda.

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