When you create a bill for received items using Advanced Inventory, you see the following message:
Sorry, you cannot change this Bill now. Single-user-only interactive feature is currently doing a task that uses the data in this transaction.
When you click OK, you continue to see the error and unable to create the bill.
Solution: Manually receive the bill
When you receive the message, the transaction is locked in QuickBooks Enterprise Solutions. Perform the following to unlock the transaction and create the bill against the item receipt.