I found a tracked issue here that could somehow be related to this, but from what I read in the tracker it should have been resolved in 7.2.2.232 or am I wrong? How do I find my current build and eventually where do I get this latest build

https://dnntracker.atlassian.net/brow... 

Anyway the exception I see that are recurring and alternating themselves are:

AssemblyVersion:7.2.2

PortalID:0

PortalName:Star Tech

UserID:-1

UserName:

ActiveTabID:56

ActiveTabName:Home

RawURL:/DesktopModules/Revindex.Dnn.RevindexStorefront/ImageGalleryHandler.ashx?rvdsfw=32&rvdsfcl=1&portalid=0&rvdsfmediafile=ccd8455c-9e26-4987-afa4-ba47ce2fe957.jpg

AbsoluteURL:/DesktopModules/Revindex.Dnn.RevindexStorefront/ImageGalleryHandler.ashx

AbsoluteURLReferrer:http://www.star-tech.info/Prodotto/rvdsfpid/shell-corpo-cornice-no-1-s6-185/rvdsfmfid/star-1

UserAgent:Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke

ExceptionGUID:c451f20c-369e-462c-821f-34ed11a701c8

InnerException:Unhandled Error:

FileName:

FileLineNumber:0

FileColumnNumber:0

Method:DotNetNuke.Entities.Users.UserInfo.get_Roles

StackTrace:

Message:

System.Exception: Unhandled Error:  ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.Entities.Users.UserInfo.get_Roles()
   at DotNetNuke.Entities.Users.UserInfo.IsInRole(String role)
   at DotNetNuke.HttpModules.Membership.MembershipModule.AuthenticateRequest(HttpContextBase context, Boolean allowUnknownExtensinons)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
   --- End of inner exception stack trace ---

and 

System.Exception: Unhandled Error:  ---> System.ArgumentException: An item with the same key has already been added.
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at DotNetNuke.Entities.Users.UserInfo.get_Social()
   at DotNetNuke.Entities.Users.UserInfo.get_Roles()
   at DotNetNuke.Entities.Users.UserInfo.IsInRole(String role)
   at DotNetNuke.HttpModules.Membership.MembershipModule.AuthenticateRequest(HttpContextBase context, Boolean allowUnknownExtensinons)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
   --- End of inner exception stack trace ---