080036 : Too many variables are specified. You may use up to 5 variables.
The Convention Find Similar Approach utilizes up to 5 variables.
If you want to continue using the Conventional Find Similar Approach please limit your variables to 5 or less. If you want to use more than 5 variables then uncheck this option and the Find Similar too will instead use the PCA (Principal Component Approach) which allows you to use any number of variables.