Big files upload in anonymous mode not possible - for logged in users, it works

Hi all,
I want to allow the upload of big files (DJI Drone Vids) in Nextcloud with a anonymouse shared link (file-drop).

Once a user is logged in, the user is able to upload big files.
Anonymous users just get the error: Could not upload “…” where … is the name of the file to upload.
Menu of Nextcloud shows 50GB, and in docker-compose.yml
variables are set to: