Error in arsenal Table Style in Cross Tables

[Jelock]

Iam using the latest version 2.7 solid version, installed Clinicopatho Module. When i try to use Cross table function to categorize variables, the arsenal style for the tables gives me this error: Error in (function (cond) : error in evaluating the argument 'object' in selecting a method for function 'serialize': cannot set non-repeated field to vector of length > 1.