home › Forums › # Technical Support › FuzzyLite 3.1: [syntax error] stack expected to contain the root, but contains › Reply To: FuzzyLite 3.1: [syntax error] stack expected to contain the root, but contains
August 26, 2014 at 21:54 #1394
Juan Rada-Vilela (admin)
I strongly recommend you use the new fuzzylite 5.0. It is in a much much better shape.
The error you are having has to do with an invalid rule that is probably misspelled, or contains invalid characters. Again, fuzzylite 5.0 would give you more information about the error.