GroupBy Function NOT displaying Gallery Tiles in PowerApps

问题

This Question is an Extension of my previous question, located here. When I use the Filter code mention in my Question. The Gallery is displaying System Names. However, when I try to wrap my Filter code with Groypby Function as mention by @carlosfigueira, I am NOT getting any Error message. However, I cannot see Gallery Tiles. Gallery is displaying lines as shown in below image. The code I am using under Items Property of my Gallery is below.

Code for GroupBy:

   GroupBy(
        Filter(Table1, StartsWith('Sys Name',"Sys")),
        "Sys_x0020_Name",
        "BySys")

Gallery Screen:

来源：https://stackoverflow.com/questions/64652910/groupby-function-not-displaying-gallery-tiles-in-powerapps