3819346 - Why am I unable to move credit card transactions from Available Expense to an expense report?

When trying to move credit card transactions to a new (or existing) expense report, as described in How can I move an expense line item to a new report?, after clicking the Save button, the transactions remain under Available Expenses and no error message is provided by SAP Concur.

I am trying to move credit card transactions to a new (or existing) Expense Report, however, when performing this task, the transactions remain under Available Expenses. , KBA , CON-CA , Cross Applications , Problem