Hello. It's Toonation.
If your YouTube channel address consists with /user/ , please write Streamer Donation Settlement Registration referring to the help below.
1.Please login to your YouTube account and click your profile image.
2. Please click the 'Settings'
3. Please click the "Advanced Settings"
4.You'll see your channel ID and please copy it.
5.Please return to Toonation Streamer Donation Settlement Registration and select "YouTube" on Usage Channel.
6.Please paste a copied channel ID in the blank box.