Just got this error while trying to import a Windows Script monitor for free space:
There was an error deserializing the object of type System.Collections.Generic.List`1[[SolarWinds.APM.Common.Models.ApplicationTemplate, SolarWinds.APM.Common, Version=6.1.1.3047, Culture=neutral, PublicKeyToken=null]]. The data at the root level is invalid. Line 1, position 1.