If that doesn’t work out show what the results are enabling all previews, and post the full data set (your rvt file, csv file, and dyn file) so I can put it together in context.
all the results are false.
I feel frustrated.
I think you should create a csv file and perform the same algorithm to check what the specific problem is. So it is also possible that we can find some more accurate solution.
Likewise, thank you very much for trying to help this inconvenience.
I looked at your files and have found that the data from your excel had a lot of spaces behind each element. This resulted in dynamo searching for "BALCON " instead of “BALCON”.
Please rewrite the items in excel and try again. I did so and got the following results: