The image looks like support pla is loaded on ams slot 4 and selected ( cant be changed/used ) try removing the filament from the ams and see if it changes back to a dropdown box
not sure if it will be applicable , but worth a read
The image looks like support pla is loaded on ams slot 4 and selected ( cant be changed/used ) try removing the filament from the ams and see if it changes back to a dropdown box
not sure if it will be applicable , but worth a read