Sorry, did not work.
Here's an udpated Full Response and Full Request.
<p class="eC_OrderInfo"><strong>Full Response</strong></p>
<p class="eC_OrderInfo"><?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:cc="urn:ebay:apis:CoreComponentTypes" xmlns:wsu="http://schemas.xmlsoap.org/ws/2002/07/utility" xmlns:saml="urn:oasis:names:tc:SAML:1.0:assertion" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:wsse="http://schemas.xmlsoap.org/ws/2002/12/secext" xmlns:ed="urn:ebay:apis:EnhancedDataTypes" xmlns:ebl="urn:ebay:apis:eBLBaseComponents" xmlns:ns="urn:ebay:api:PayPalAPI"><SOAP-ENV:Header><Security xmlns="http://schemas.xmlsoap.org/ws/2002/12/secext" xsi:type="wsse:SecurityType"></Security><RequesterCredentials xmlns="urn:ebay:api:PayPalAPI" xsi:type="ebl:CustomSecurityHeaderType"><Credentials xmlns="urn:ebay:apis:eBLBaseComponents" xsi:type="ebl:UserIdPasswordType"><Username xsi:type="xs:string"></Username><Password xsi:type="xs:string"></Password><Signature xsi:type="xs:string"></Signature><Subject xsi:type="xs:string"></Subject></Credentials></RequesterCredentials></SOAP-ENV:Header><SOAP-ENV:Body id="_0"><SetExpressCheckoutResponse xmlns="urn:ebay:api:PayPalAPI"><Timestamp xmlns="urn:ebay:apis:eBLBaseComponents">2012-07-12T20:24:33Z</Timestamp><Ack xmlns="urn:ebay:apis:eBLBaseComponents">Failure</Ack><CorrelationID xmlns="urn:ebay:apis:eBLBaseComponents">59741db5193e0</CorrelationID><Errors xmlns="urn:ebay:apis:eBLBaseComponents" xsi:type="ebl:ErrorType"><ShortMessage xsi:type="xs:string">Transaction refused because of an invalid argument. See additional error messages for details.</ShortMessage><LongMessage xsi:type="xs:string">The totals of the cart item amounts do not match order amounts.</LongMessage><ErrorCode xsi:type="xs:token">10413</ErrorCode><SeverityCode xmlns="urn:ebay:apis:eBLBaseComponents">Error</SeverityCode></Errors><Version xmlns="urn:ebay:apis:eBLBaseComponents">63.0</Version><Build xmlns="urn:ebay:apis:eBLBaseComponents">3255948</Build></SetExpressCheckoutResponse></SOAP-ENV:Body></SOAP-ENV:Envelope></p>
<p class="eC_OrderInfo"><strong>Full Request</strong></p>
<p class="eC_OrderInfo"><?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Header><RequesterCredentials xmlns="urn:ebay:api:PayPalAPI"><Credentials xmlns="urn:ebay:apis:eBLBaseComponents"><Username>post_api1.tcacarcare.com</Username><Password>RFASUK9HSQBDWQ4W</Password><Signature>Apr4UEcEZ1I8Xhv8HFt4zmmQL4whAOsvt3JMR-PtOPExSw1nHNuAzfBw</Signature><Subject/></Credentials></RequesterCredentials></soap:Header><soap:Body><SetExpressCheckoutReq xmlns="urn:ebay:api:PayPalAPI"><SetExpressCheckoutRequest><Version xmlns="urn:ebay:apis:eBLBaseComponents">63.0</Version><SetExpressCheckoutRequestDetails xmlns="urn:ebay:apis:eBLBaseComponents"><ReturnURL>http://www.tcacarcare.com/pp_confirm.php</ReturnURL><CancelURL>http://www.tcacarcare.com/pp_cancel.php</CancelURL><SolutionType>Sole</SolutionType><LandingPage>Billing</LandingPage><PaymentAction>Authorization</PaymentAction><OrderTotal currencyID="NOK">93.00</OrderTotal><PaymentDetails><ItemTotal currencyID="NOK">24.00</ItemTotal><PaymentDetailsItem><Name>X-1 PLUSS NANO MICROFIBER 40cm x 40cm</Name><Amount currencyID="NOK">24.00</Amount><Quantity>1</Quantity><Number>6</Number></PaymentDetailsItem></PaymentDetails><PaymentAction>Authorization</PaymentAction></SetExpressCheckoutRequestDetails></SetExpressCheckoutRequest></SetExpressCheckoutReq></soap:Body></soap:Envelope></p>
Also attaching my checkout page.
The error is still live so you can see:
www.tcacarcare.com/
Regards
Rune