Power app sum 函数报错，如何解决
Set(Invoice_total, Sum( Filter(Expense_Reimbursement_Lines, expense_header_id=SelectedReport.ID), invoice_amount)); Delegation warning. The highlighted part of this formula might not work correctly on large data sets. The “Sum” operation is not supported by this connector. Set(Invoice_total, With({_invoice:Filter(Expense_Reimbursement_Lines, expense_header_id=SelectedReport.ID)}, Sum(_invoice,invoice_amount)));