Ver 3.0.17 with Request XML and Return XML

[Guest SmartWare]

I'm search anywhere in forum about solve with cubecart ver 3.0.17 but I can't find any solve problem. I checked everything correct and still problem on display Request XML and Return XML. Anyone can help me to solve problem?

Thanks.

Display Message XML:

Request XML:

<RateV3Request USERID="XXXXXXX" PASSWORD="XXXXXX"><Package ID="0"><Service>EXPRESS</Service><ZipOrigination>32726</ZipOrigination><ZipDestination>32159</ZipDestination><Pounds>14</Pounds><Ounces>0</Ounces><Container>VARIABLE</Container><Size>Regular</Size></Package></RateV3Request>

Return XML:

<?xml version="1.0"?>

<RateV3Response><Package ID="0"><Error><Number>-2147219430</Number><Source>DomesticRatesV3;clsRateV3.ValidateContainer;RateEngineV3.ProcessRequest</Source><Description>Invalid container type. A valid container type for Express Mail is Flat Rate Envelope.</Description><HelpFile></HelpFile><HelpContext>1000440</HelpContext></Error></Package></RateV3Response>

Request XML:

<RateV3Request USERID="XXXXXXX" PASSWORD="XXXXXX"><Package ID="0"><Service>PRIORITY</Service><ZipOrigination>32726</ZipOrigination><ZipDestination>32159</ZipDestination><Pounds>14</Pounds><Ounces>0</Ounces><Container>VARIABLE</Container><Size>Regular</Size></Package></RateV3Request>

Return XML:

<?xml version="1.0"?>

<RateV3Response><Package ID="0"><Error><Number>-2147219431</Number><Source>DomesticRatesV3;clsRateV3.ValidateContainer;RateEngineV3.ProcessRequest</Source><Description>Invalid container type. Valid container types for Priority Mail are Flat Rate Envelope, Sm Flat Rate Box, Md Flat Rate Box and Lg Flat Rate Box.</Description><HelpFile></HelpFile><HelpContext>1000440</HelpContext></Error></Package></RateV3Response>