diff --git a/R/fig_height_h_barchart.R b/R/fig_height_h_barchart.R
index 45fdac5..6f2c2ae 100644
--- a/R/fig_height_h_barchart.R
+++ b/R/fig_height_h_barchart.R
@@ -277,6 +277,10 @@ fig_height_h_barchart2 <- # Returns a numeric value
            min = 1) {
 
     data <- ggobj$data
+    if(!(inherits(data, "data.frame") && nrow(data)>0)) {
+      cli::cli_warn("{.arg ggobj} must be a ggplot2-object with a nrow>0 data in it. Returning {.arg min}: {.val {min}}.")
+      return(min)
+    }
     indep_vars <- colnames(data)[!colnames(data) %in% .saros.env$summary_data_sort2]
 
     if(length(indep_vars)>1) {
diff --git a/R/make_content.cat_plot_html.R b/R/make_content.cat_plot_html.R
index a67a4fa..27cce54 100644
--- a/R/make_content.cat_plot_html.R
+++ b/R/make_content.cat_plot_html.R
@@ -100,8 +100,7 @@ make_content.cat_plot_html <-
         drop = FALSE) +
       scale_x_reorder(limits = rev, x_axis_label_width = dots$x_axis_label_width) +
       ggplot2::guides(
-        fill = ggiraph::guide_legend_interactive(data_id = "fill.guide",
-                                                 byrow = TRUE),
+        fill = ggiraph::guide_legend_interactive(data_id = "fill.guide"),
         colour = "none"
         )
 
diff --git a/R/make_link.R b/R/make_link.R
index d0bc647..2efd044 100644
--- a/R/make_link.R
+++ b/R/make_link.R
@@ -77,8 +77,8 @@ make_link <- function(data,
   tryCatch({args$save_fn(data, path, ...)
            I(paste0(args$link_prefix, path, args$link_suffix))
            },
-           error = function(cnd) {
-             cli::cli_warn(c(x="Function {rlang::call_name(quote(safe_fn()))} failed with arguments {.arg path}={path}, {.arg data}={data}."),
+           error = function(cnd) { #={data}
+             cli::cli_warn(c(x="Function {rlang::call_name(quote(safe_fn()))} failed with arguments {.arg path}={path}, {.arg data} is {.obj_type_friendly {data}}."),
                             parent = cnd)
            })
 }