How can i fix that?

how can i fix this messsage??
The operation UploadFIle cannot accept the arguments: , (xd.apk),(nothing)

Welcome to the community. Please post a screenshot of your blocks

Looks like get file name is empty. Use Do it to debug your blocks

how can i do that??

or i pass you the aia file??

Try the corresponding GetFileName method from the FileTools extension by @vknow360
My Get FileName method needs an update for newer Android versions…