Desktop Manager Sync issue

Just upgraded from a 8330 to storm 2. Used to sync the 8330 on my Mac with Missing Sync. Before connecting my storm 2 I uninstalled Missing Sync and installed the new version of Desktop Manager. When trying to sync it gave me an error...when I still had my 8330 I had tried to delete Missing Sync and use Blackberry DM but it gave me an error and would always wipe out my contacts on my BB...when trying to sync my storm 2 for the first time it deleted all my contacts and still gives me an error...I'm thinking I need to delete a root file somewhere...little help

Thanks

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Originally Posted by jmotts

Just upgraded from a 8330 to storm 2. Used to sync the 8330 on my Mac with Missing Sync. Before connecting my storm 2 I uninstalled Missing Sync and installed the new version of Desktop Manager. When trying to sync it gave me an error...when I still had my 8330 I had tried to delete Missing Sync and use Blackberry DM but it gave me an error and would always wipe out my contacts on my BB...when trying to sync my storm 2 for the first time it deleted all my contacts and still gives me an error...I'm thinking I need to delete a root file somewhere...little help

Thanks

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It would probably help if we knew what the error was.

This is the message it gives me when trying to sync: Persistent store migration failed, missing source managed object model.

Sorry but I haven't got much of a clue when it comes to this Mac stuff...