I can't merge the layers (CTRL + E) and Camera Raw appears gray.

I didn't renew Photoshop, but I used it to do a revision, even without renewing, and because of that, the Photoshop watermark appears in Canva. I tried merging some layers as I did before, but the command doesn't work and the option to merge layers doesn't appear. I also tried using Camera Raw, and it appears grayed out. Could it be because I haven't renewed the license? Thank you.