Bootcamp partitioning; less space available after first, failed attempt

Thank you for your quick reply.

Following is a screenshot of the actual output of the diskutil command. As Im sure you have noticed, the one I originally posted is fromt the time when the problem appeared:

Ive tried to delete the snapshots one by one with 'sudo tmutil deletelocalsnapshots 2019-09-19-....'.

The first time I used the command on every Snapshot, but even after sometime later, the listlocalsnapshots command listed them. The second time I used the command only on the first backup before some other commands I found. The first local snapshot seems to be gone now.

Other commands I've tried were:

'sudo mv / .MobileBackups.trash ~/Desktop/MobileBackupsTrash'

'sudo rm -rf /.MobileBackups.trash.

'sudo tmutil disablelocal'

But, according to what I found on the internet, won't the local snapshots be transfered to the external disk anyway?

Thank you for your prolonged help, even though this isn't immidiatly related to bootcamp anymore

This is the complete terminal window, from when I tried the different commands. Seeing that the snapshot I tried to delete with the deletesnapshots command the second time is gone now, I will give it one more shot. Maybe I didn't gie them enough time to delete themselves?

I hope, I've got it right this time. Do you already have an idea where the difference between the 169 GB used,

that the disk utility shows, and the 344 GB minimum comes from?

Ayy, the snapshots are gone. wow. Thank you so much for your help. It was amazing.

Amazing! Thank you very much. I think i can manage myself, but just to sure, please do.