Describe the bug
An Operation is not valid due to the current state of the object exception when Persist GenesisBlock Block.

I used the neo and neo-vm latest master code and started the single node.

Exception in neo-cli:

[14:40:03.115] Operation is not valid due to the current state of the object.
[14:41:35.255] Error while creating actor instance of type Neo.Ledger.Blockchain with 2 args: (Neo.NeoSystem,Neo.Plugins.Storage.Store)

Exception in neo:

Caused by md.ReturnType is Void but returnType is Boolean.