I updated to MacOS 11.6.2 this morning, and now my photoshop Export As is showing blank fields and gives the error message "No valid Asset to Export." I've tried on multiple files which exported before. I'm using Photoshop 23.1.0. Note: I was able to set the Export Preferences to "Use Legacy Export As" and that is working.
We have provided the fix for this issue in the latest update of Photoshop, which is version 23.2.2 To update Photoshop to 23.2.2, click "Update" in the Creative Cloud desktop app next to Photoshop. More detailed instructions for updating
We've discovered a possible cause to this behavior. Export As maintains a preference file to remember your settings between sessions. If this file becomes damaged or corrupted, it will cause the dialog to look like this. Please go to the following folder, delete the prefs.txt file there, and relaunch Photoshop: