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Originally posted by: CPereiraThis is usually due to special characters in your excel file. Here's how I would approach --
First, I would do a regex substitute (eg in a filter node) like Data_noPunct = Data.regexSubstitute("[[:punct:]]","") to get rid of any punctuation that the node may be having trouble parsing.
If that doesn't work, it may be the case that you have foreign characters that LAE can't decode, and you need to get rid of them using something like Data_alphaNumsOnly =Data.regexSubstitute("[^A-Za-z0-9]",��) - this way is a bit extreme though, since it gets rid of anything that is not an alphanumeric character, but you can play around with this regular expression to include other characters you need in the file.
Let me know if that doesn't work either or if you need to modify the regex and I'm happy to help