UMI generated an error file when I tried to save my file with a different name. Also in the existing file, umi's window tabs (project and simulation) do not read my file.  Here is what the error report says:

umi export error report generated at 04/22/2017 19:47:59
System.IO.FileNotFoundException: C:\Users\Charvi\AppData\Local\Temp\umi.liwi02ky.cny\template-library.json
at Ionic.Zip.SharedUtilities.GetFileLength(String fileName)
at Ionic.Zip.ZipEntry.MaybeUnsetCompressionMethodForWriting(Int32 cycle)
at Ionic.Zip.ZipEntry.WriteHeader(Stream s, Int32 cycle)
at Ionic.Zip.ZipEntry.Write(Stream s)
at Ionic.Zip.ZipFile.Save()
at Mit.Umi.Core.UmiProject.Save(String bundlePath)
at Mit.Umi.RhinoServices.SaveInfo.ExecuteSave(ICollection`1& warnings)
at Mit.Umi.RhinoMaster.RhinoCommands.UmiBundleSaveAs.Run(IRhinoDoc _doc, RunMode mode, Action notifyOnNothingToSave, Func`1 getPath)

Could you please help me with this.


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Sorry you're having trouble. Are you able to export the project's template library? If so, can you try exporting it and re-importing it into the project before attempting to save?

I tried that and it works. Thank you very much.

I have another error with which you may be able to help.

I select two buildings with different templates and different names. When I simulate them, I get error "umi energy error: Sequence contains more than one matching element." How can I get around this?

Thanks again for your previous support. 

Which simulation are you running?

I am running simulation for total energy.

Operational or embodied?


Hi again,

I just wanted to add a little more information on my previous post: "umi energy error: Sequence contains more than one matching element." when I run operational energy simulation. I realized it gives me this error for particular templates but it runs fine if I do not select such templates. 

Can you suggest what may cause this?


It's hard to say - I can only recall seeing this with embodied energy. Can you post a problematic template library and tell me which template it is?

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In Short

Umi is a Rhino-based design environment for architects and urban planners interested in modeling the environmental performance of neighborhoods and cities with respect to operational and embodied energy use, walkability and daylighting potential. Since 2012, Umi has been  developed by the Sustainable Design Lab at the Massachusetts Institute of Technology with support from a National Science Foundation EFRI_SEED project, the MIT Energy Initiative, the Kuwait-MIT Center, the Center for Complex Engineering Systems (CCES) at KACST and MIT, Transsolar Climate Engineering and United Technologies Corporation. Further tool developed is now also being conducted at the Environmental Systems Lab at Cornell University.

A first public version of Umi was released during a public symposium on Sustainable Urban Design on May 6th 2013 at the Massachusetts Institute of Technology. Version 2.0, which also includes an embodied energy module, was released on November 7th 2014.

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