The data you provided earlier works perfectly on my computer. What you are showing in the LOG (which we prefer to have as text and not as screen captures) must be caused by something in SAS Studio, which I do not use. So at this time, I cannot help further, and some people (@Tom @Kurt_Bremser) who might know more about SAS Studio need to jump in and help.
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Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
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