My frame is not visible even though the property is true?

Hi, sometimes frames appear not visible even though there visible property is true and they are visible again when I close the frame and open it again. Please help.

Opening for first time:

Reopening it on second time (this is what is is supposed to look like)

The game link is here, if you open the pet frame then press craft all max or delete all unlocked then the frame won’t be visible!

Hi, I still don’t have a response. Please help

After a few days I still don’t have an answer or response can someone please help!

Hi, are you sure the ZIndex of your frame is bigger than the other frames ?

Yes I am sure. The ZIndex is 50 and the others are only 1