OSS End Point Configuration Manager - FAILURE - unable to sync local template files - TYPE:0

Trying to get the End Point Configuration Manager to works so I can change my settings; however everytime I select the edit icon from the template Manager Page I get the following error:

unable to sync local template files - TYPE:0

If I create a template (clone) and then try and apply it to one of the phones I get: Can’t Load “endpoint_aastra_aap9xxx6xxx_phone” Class!

I have OSS End Pont Manager version 2.11.4.11

Thanks