Trying to open a psd file created in Photoshop Elements 2018 in Photoshop Elements 2024

I just downloaded the single purchase Photoshop Elements 2024. I am trying to open a psd file I created in PSE2018 and it comes up showing the layers but I can not edit them. I have tried:

1. Resaving as a tiff. in 2018

2. Save as in 2024

Nothing worked. It opens fine in PSE2018.

It's like it is all frozen. Any suggestions would be so welcome.