Missing Subfolders

Hi,
im running into a bunch of issues with the 5.5.1 Pro Version:

Media Library:
I don’t see the leftside folder structure unless i select the GRID View.
On LIST View the structure disappears

Admin / Woocommerce / EDIT PRODUCT
“Set Product Image” – The Image Selector Popup opens, but filebird only shows parent folders. All the Subfolders are missing. When i go to the Media Library Subfolders are visible

Any idea whats going on?

• No builder is being used
• WordPress latest
• ACF installed
• Custom Theme

Thanks

Lukas