Problem: Error in catboost.from_matrix(as.matrix(float_and_cat_features_data), : Unsupported label type, expecting double or integer, got character

catboost version: 1.0.0
Operating System: Windows 10
CPU: Ryzen 5?

GPU: Nvidia GTX 1660

Hello I am fitting a simple model with 2 numerical predictors and a binomial outcome.

When I try to tune_grid this model in R with tidymodels, I get this error even though there are no categorical predictors in my dataset:

Error in catboost.from_matrix(as.matrix(float_and_cat_features_data), : Unsupported label type, expecting double or integer, got character