Error Message is completely blank

[petcloud]

Hello I am trying to do a test transaction but I get a completely blank error message.

Array
(
    [result] => 
    [response] => PayPal\Types\AP\PayResponse Object
        (
            [responseEnvelope] => PayPal\Types\Common\ResponseEnvelope Object
                (
                    [timestamp] => 2018-04-02T23:26:20.343-07:00
                    [ack] => Failure
                    [correlationId] => 47ee6a5c1d7c1
                    [build] => 45566028
                )
            [payKey] => 
            [paymentExecStatus] => 
            [payErrorList] => 
            [paymentInfoList] => 
            [sender] => 
            [defaultFundingPlan] => 
            [warningDataList] => 
            [error] => Array
                (
                    [0] => PayPal\Types\Common\ErrorData Object
                        (
                            [errorId] => 579031
                            [domain] => PLATFORM
                            [subdomain] => Application
                            [severity] => Error
                            [category] => Application
                            [message] => The total amount of all payments exceeds the maximum total amount for all payments
                            [exceptionId] => 
                            [parameter] => 
                        )
                )
        )
)