I'm working on a screen flow in Salesforce, that successfully calls out to box, gets the folder id based on the recordId in sfdc. I have a single component on the screen, and upon uploading a file (which does successfully upload to the correct folder,) the error appears:

"Something went wrong with the "box3" screen component on the "TEST_Upload_to_Box" flow. Contact your Salesforce admin about this error. The 'NEXT' navigation option isn't supported on this screen. Replace it with one of the available navigation options: FINISH." 

I've turned off the next/finish buttons in the flow, and disabled the footer entirely, not sure what the issue is.