diff --git a/DESCRIPTION b/DESCRIPTION
index c84078c..95b9c6d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -20,6 +20,7 @@ Depends:
     parsnip (>= 1.0.0),
     R (>= 3.5)
 Imports: 
+    cli,
     dplyr,
     lme4,
     purrr,
diff --git a/NAMESPACE b/NAMESPACE
index e9fb3ae..63c25e5 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -2,6 +2,7 @@
 
 export(gee_fit)
 import(rlang)
+importFrom(cli,cli_abort)
 importFrom(parsnip,check_final_param)
 importFrom(parsnip,decision_tree)
 importFrom(parsnip,fit)
diff --git a/R/gee.R b/R/gee.R
index cda41bf..95cdbb0 100755
--- a/R/gee.R
+++ b/R/gee.R
@@ -23,11 +23,12 @@ gee_formula <- function(f) {
   id_ind <- attr(trms,"specials")$id_var + 1
   # check length
   if (length(id_ind) != 1) {
-    rlang::abort(
-      paste(
-        "There should be a single 'id' column specified using the `id_vars()`",
-        "function (e.g. `y ~ x + id_vars(id_col)`"
-        )
+    cli::cli_abort(
+      c(
+        "There should be a single {.field id} column specified using the
+     {.fn id_vars} function.",
+        "i" = "For example: {.code y ~ x + id_vars(id_col)}"
+      )
     )
   }
   # find column with id variable
@@ -105,7 +106,7 @@ gee_fit <- function(formula, data, family = gaussian, ...) {
     res$rank <- tmp_glm$rank
     res$qr <- tmp_glm$qr
   } else {
-    rlang::abort("Cannot compute the rank of the design matrix.")
+    cli::cli_abort("Cannot compute the rank of the design matrix.")
   }
   # Now to avoid a warning about "calling predict.lm(<fake-lm-object>)"
   class(res) <- c(class(res), "lm")
diff --git a/R/multilevelmod-package.R b/R/multilevelmod-package.R
index 331d8ed..353aa5f 100644
--- a/R/multilevelmod-package.R
+++ b/R/multilevelmod-package.R
@@ -18,7 +18,7 @@
 
 ## usethis namespace: start
 #' @import rlang
-#'
+#' @importFrom cli cli_abort
 #' @importFrom parsnip set_engine fit fit_xy fit_control mars decision_tree
 #' @importFrom parsnip set_new_model multi_predict update_dot_check show_fit
 #' @importFrom parsnip new_model_spec null_value update_main_parameters