What do you have in : Garmin device.xml in Garmin folder ?

<?xml version="1.0" encoding="UTF-8"?>
-<Device xsi:schemaLocation="http://www.garmin.com/xmlschemas/GarminDevice/v2 http://www.garmin.com/xmlschemas/GarminDevicev2.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.garmin.com/xmlschemas/GarminDevice/v2">-<Model><PartNumber>006-B1101-00</PartNumber><SoftwareVersion>xxx</SoftwareVersion><Description>nüvi 1300</Description></Model><Id>xxxxxxxxxx</Id>

Don't post it here but check is the same you used in JM