Solar splitting using a weather converter.

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hello everyone. I want to do solar split using a weather converter. I only have GHI and would like to get DNI and DHI but it doesn't work out. I created the epw file as csv and entered DNI and DHI as 9999. Afterwards, I put the def file in the same folder and used the converter, but the following error appears. Can you possibly help me with this? Thanks in advance. Best regards!

I am attaching the thread I referenced. https://unmethours.com/question/24509... https://unmethours.com/question/88528...