I solved this error by clearing these folders:
C:\Users\"user"AppData\Local\Packages\Microsoft.MinecraftUWP_8wekyb3d8bbwe\LocalCache\minecraftpe\packcache\resource
C:\Users\"user"\AppData\Local\Packages\Microsoft.MinecraftUWP_8wekyb3d8bbwe\LocalState\premium_cache\persona
it helped me on version 1.21.41
Ded4kopatich
I solved this error by clearing these folders:
C:\Users\"user"AppData\Local\Packages\Microsoft.MinecraftUWP_8wekyb3d8bbwe\LocalCache\minecraftpe\packcache\resource
C:\Users\"user"\AppData\Local\Packages\Microsoft.MinecraftUWP_8wekyb3d8bbwe\LocalState\premium_cache\persona
it helped me on version 1.21.41