I had the same problem which started after the latest update last week. I was unable to even click on the Marketplace button & the options for editing skins were totally greyed out & not clickable. Per the comments here, I deleted the game from my Switch OLED & then re-downloaded & installed (I had the download version of the game). It worked perfectly after that & the issue was resolved. The same issue was also present on my Switch Lite (using a game card version of the game. I performed the same delete game operation & then put in the gamecard & did the update software. Again, this solved the problem. Now, all is working well & the Marketplace is actually loading fully & much quicker than it ever has. A note for anyone scared to delete the game - deleting the software won't mess with your save data. Your saved worlds should still be there when you re-install.
lizybethanne
I had the same problem which started after the latest update last week. I was unable to even click on the Marketplace button & the options for editing skins were totally greyed out & not clickable. Per the comments here, I deleted the game from my Switch OLED & then re-downloaded & installed (I had the download version of the game). It worked perfectly after that & the issue was resolved. The same issue was also present on my Switch Lite (using a game card version of the game. I performed the same delete game operation & then put in the gamecard & did the update software. Again, this solved the problem. Now, all is working well & the Marketplace is actually loading fully & much quicker than it ever has. A note for anyone scared to delete the game - deleting the software won't mess with your save data. Your saved worlds should still be there when you re-install.