I use my Raspberry Pi4 (4GB Ram) as a Cloud with 8 TB of storage. I want to manage large files between Google Drive and Nextcloud with the external storage app and the Google Console API.
Everthing lights green and my Google Drive Folder appeared.
I see the first folders of my Google Drive but the sub folders are not loaded. 
If I try to copy some large pictures to Google Drive it breaks up and tells me this:
If someone can help me with this problem I very apprishiate.