Too few records for analysis. This tool requires at least <value> feature(s) to compute results.
This tool requires a certain minimum number of features to perform the analysis. The input dataset specified, or the active selection on that dataset, does not contain this minimum number of features.
Check the number of records in the dataset and make sure the number of features selected is sufficient for the analysis. Check for null values in one of the fields used in the analysis. If this tool uses binning, make sure the bin sizes result in enough unique bins for analysis.