"Runtime error...CSharp_OpenStudio_toPath..."

[AlejandroGamas]

Hello,
Currently having the following error:

There’s some more lines of information to the error, they are the following:
"Runtime error (EntryPointNotFoundException): Unable to find an entry point named ‘CSharp_OpenStudio_toPath__SWIG_0’ in DLL ‘openstudio_csharp.dll’.

Traceback:
line 13, in _os_path_ironpython, “C:\Program Files\ladybug_tools\python\Lib\site-packages\honeybee_openstudio\openstudio.py”
line 157, in to_openstudio_sim_folder, “C:\Program Files\ladybug_tools\python\Lib\site-packages\honeybee_energy\run.py”
line 42, in assign_epw_to_model, “C:\Program Files\ladybug_tools\python\Lib\site-packages\honeybee_openstudio\simulation.py”
line 243, in script"

It may be unrelated but it seemed to start happening after installing Pollination for Rhino. Previously I just had Pollination for GH and it worked fine. I checked unistalling the Rhino version of Pollination and re-installing just the GH version but I got the same error message.

Currently using:

• Rhino 8.21
• GH 1.0
• Pollination 1.65.10

A couple of other similar (unresolved) topics would be the following:

Unable to find an entry point named 'CSharp_OpenStudio

Hello everyone, I’m a longtime user of DesignBuilder, but I’m trying to switch to other workflows SIMULACAO LBforum.gh (590.6 KB) (even though it is by far the best tool of its kind, I just can`t afford the DB license). I tried OpenStudio, but I couldn’t install the SketchUp plugin. Now I’m trying to use Honeybee simulation with EnergyPlus, but I’m having some compatibility issues with OpenStudio. I found a similar question in this forum, but I couldn’t get it to work. I’m getting the follow…

Open studio error

Hi everyone I acknowledge that Legacy is outdated; however, as I have numerous Grasshopper definitions in Legacy, I wish to ensure their full functionality. I have reinstalled Ladybug 69 and Honeybee 66 and I have tried Openstudio versions 2.5.0; 2.9.1; 3.0.0; 3.0.1 and 3.0.2 directly in C drive. However Open studio does not run and I get different errors base on the version I have on my PC. Based on various forum posts, I have concluded that versions 2.9.1 or 3.0.0 are the most up-to-date fo…

Any ideas?!

shoe_box_energy_model.gh (61.8 KB)

[chris]

Hey @AlejandroGamas ,

It seems that something about your OpenStudio C# bindings in the following location is blocked:

C:\Program Files\ladybug_tools\openstudio\CSharp\openstudio

Possibly by some antivirus software? Or perhaps your version of windows is so old that it’s unable to load some aspect of the OpenStudio DLL.

Is this a computer you own or the computer of someone else for which an IT department has installed their own things to block potentially unwanted software?

Also, what version of Windows are you running?

I can give you a way to possibly hack around the issue but it would be nice if we can first identify the reason for your system being unable to load the OpenStudio C# SDK bindings to see if there’s a more elegant solution.

[chris]

I also have one more very important question that I realized thanks to google-searching the error:

Is your Windows operating system 64 bit or 32 bit?

If it is 32-bit, then we have identified the problem and I can probably add an extra check to be sure that the bitness matches between your Operating System and the OpenStudio C# bindings before we try to load them.

[AlejandroGamas]

Currently in Windows 11 in my own personal computer.

In addition to the sample file I previously attached, I was also working with a definition that had some components from the Legacy version. I noticed that the attached sample file was working well until I tried to run the the other file that had Legacy things. The “hybrid” file started working after disabling the things from the Legacy version. It seems that to be working as expected now.

Thanks for the support Chris!