Login to Admin Panel by default admin
Open menu Configuration -> Blockchains and push the button "..." for each row of the blockchains list:
You should create wallet again for another blockchain (if you have more than 1 blockchain)
So, return to the current and next step in the loop until you create wallets for all blockchains.
Create system wallet for selected blockchain
Push button "Create wallet":
Click "Reload" for make sure you got the address of the wallet:
