Cannot open SIMP file


Yesterday, I created a sequence diagram using Software Ideas Modeler, but when i try to open it I get this error message and the file does not open:

System.Collections.Generic.KeyNotFoundException: Den givne n√łgle var ikke til stede i ordbogen.

ved System.ThrowHelper.ThrowKeyNotFoundException()

ved System.Collections.Generic.Dictionary`2.get_Item(TKey key)

ved SoftwareIdeasModeler.Core.Projecting.Project.BindAbstractItem(ModelElement item)

ved SoftwareIdeasModeler.Core.Projecting.Project.BindAbstractItemsInRepositories(Model model)

ved SoftwareIdeasModeler.Core.Projecting.Project.BindEntities()

ved SoftwareIdeasModeler.ProjectXml.SimXmlReader.Load()

ved SoftwareIdeasModeler.Program.RunMainWindow(Form splash)

When I try to open the backup files, I get the same error.

This is a link to the file I am trying to open:

18 June 2013 14:57:04 Martine

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Dusan Rodina - 18 June 2013 15:19:03


I apologize for this problem.

I created a hot fix for you. It is available for download here:



(The fix will be also included in the next official release 6.21)