When using the file manager to upload a file, there is a phenomenon of flashback to the home page
We use filemanager to upload files in dataview. When the upload button is clicked, it will flash back to the home page. The layout type of the current page is Modal pop-up. and the microflow used by the upload will not execute
There probably is some kind of exception visible in your server logs or client tab in devtools which should give you a clue? Most of the times these kind of issues have something to do with (missing) access rights.