Check my update app

MIT App Inventor Help
1

My app update is not working

IMG20231003220743
IMG202310032207431920×1440 150 KB

IMG20231003220749
IMG202310032207491920×1440 131 KB

IMG20231003220853
IMG202310032208531920×1440 187 KB

IMG20231003220900
IMG202310032209001920×1440 133 KB

2

the sheetName is "Sheet1," not "Sheet 1" (remove the extra space)

3

Done but not working still