Cannot evolve 5SG character to 6 SB. Invalidevo error

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What exactly is not working?

I am trying to evolve the great Khali from 5 sg to 6 star. I am getting an invalidevo error everytime

Where in the game did it happen?

In the character upgrade screen

What are the steps to reproduce it?

Go to a 5 sg. Click evolve. Allocate the required shards to meet 4k shards and hit pay 2 million. It says evolve and then the invalidevo error pops up

When or since when did it happen?

About 20 minutes ago

How often do you experience this issue?

1st time

What device are you playing on?

Nord one

Which OS and game version?

Android

What is your in-game name (case sensitive!) - (obviously also your Forum name)

Timozel

What have you tried so far to fix it on your side?

Delete cache and app data

Any Screenshots or videos of the issue that help us to understand it better?