Error running check sale: Must be greater than or equal to 0.<pre><code>HpsInvalidRequestException Object
(
    [param] => amount
    [code] => 2
    [innerException] => 
    [message:protected] => Must be greater than or equal to 0.
    [string:Exception:private] => 
    [file:protected] => /home/restaura/public_html/roo/paddys-pizza/heartland/src/Infrastructure/Validation/HpsInputValidation.php
    [line:protected] => 19
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /home/restaura/public_html/roo/paddys-pizza/heartland/src/Services/Gateway/HpsCheckService.php
                    [line] => 73
                    [function] => checkAmount
                    [class] => HpsInputValidation
                    [type] => ::
                    [args] => Array
                        (
                            [0] => 
                        )

                )

            [1] => Array
                (
                    [file] => /home/restaura/public_html/roo/paddys-pizza/heartland/src/Services/Gateway/HpsCheckService.php
                    [line] => 26
                    [function] => _buildTransaction
                    [class] => HpsCheckService
                    [type] => ->
                    [args] => Array
                        (
                            [0] => SALE
                            [1] => HpsCheck Object
                                (
                                    [routingNumber] => 
                                    [accountNumber] => 
                                    [checkNumber] => 
                                    [checkType] => PERSONAL
                                    [checkHolder] => HpsCheckHolder Object
                                        (
                                            [checkName] => 
                                            [dlState] => 
                                            [dlNumber] => 
                                            [ssl4] => 
                                            [dobYear] => 
                                            [courtesyCard] => 
                                            [firstName] => 
                                            [lastName] => 
                                            [phone] => 
                                            [email] => 
                                            [address] => HpsAddress Object
                                                (
                                                    [address] => 
                                                    [city] => 
                                                    [state] => 
                                                    [zip] => 
                                                    [country] => 
                                                )

                                        )

                                    [micrNumber] => 
                                    [accountType] => Checking
                                    [dataEntryMode] => MANUAL
                                    [checkVerify] => 
                                    [secCode] => PPD
                                )

                            [2] => 
                            [3] => 
                        )

                )

            [2] => Array
                (
                    [file] => /home/restaura/public_html/roo/paddys-pizza/heartland/examples/echeck/process.php
                    [line] => 38
                    [function] => sale
                    [class] => HpsCheckService
                    [type] => ->
                    [args] => Array
                        (
                            [0] => HpsCheck Object
                                (
                                    [routingNumber] => 
                                    [accountNumber] => 
                                    [checkNumber] => 
                                    [checkType] => PERSONAL
                                    [checkHolder] => HpsCheckHolder Object
                                        (
                                            [checkName] => 
                                            [dlState] => 
                                            [dlNumber] => 
                                            [ssl4] => 
                                            [dobYear] => 
                                            [courtesyCard] => 
                                            [firstName] => 
                                            [lastName] => 
                                            [phone] => 
                                            [email] => 
                                            [address] => HpsAddress Object
                                                (
                                                    [address] => 
                                                    [city] => 
                                                    [state] => 
                                                    [zip] => 
                                                    [country] => 
                                                )

                                        )

                                    [micrNumber] => 
                                    [accountType] => Checking
                                    [dataEntryMode] => MANUAL
                                    [checkVerify] => 
                                    [secCode] => PPD
                                )

                            [1] => 
                        )

                )

        )

    [previous:Exception:private] => 
)
</code></pre>