diff --git a/gui.js b/gui.js
index 12713da4b5..0f7b1aa6fd 100644
--- a/gui.js
+++ b/gui.js
@@ -4341,7 +4341,7 @@ function auto_adjust_number_of_neurons(n) {
 			}
 			no_update_math = original_no_update_math;
 		} else {
-			log("last layer not dense");
+			log(language[lang]["last_layer_not_dense"]);
 		}
 	}
 }
@@ -6093,12 +6093,12 @@ async function _download_model_for_training () {
 	var data = JSON.parse(await get_x_y_as_array());
 
 	if(!Object.keys(data).includes("x")) {
-		err("Could not retrieve x data");
+		err(language[lang["could_not_retrieve_x_data"]);
 		return;
 	}
 
 	if(!Object.keys(data).includes("y")) {
-		err("Could not retrieve y data");
+		err(language[lang["could_not_retrieve_y_data"]);
 		return;
 	}
 
@@ -7663,7 +7663,7 @@ function show_overlay(text, title="") {
 
 		return overlay;
 	} catch (error) {
-		log("An error occurred:", error);
+		log(language[lang]["an_error_occured"], error);
 		wrn("[show_overlay] Failed to display overlay.");
 	}
 }
@@ -8860,7 +8860,7 @@ async function restart_fcnn () {
 	var fcnn_data = get_fcnn_data();
 
 	if(!fcnn_data) {
-		wrn("Could not get FCNN data");
+		wrn(language[lang]["could_not_get_fcnn_data"]);
 		return;
 	}
 
diff --git a/translations.php b/translations.php
index f00dc0b8c3..e990515525 100644
--- a/translations.php
+++ b/translations.php
@@ -557,7 +557,12 @@
 			"idname_is_null_returning" => "idname is null. Returning.",
 			"idname_is_undefined_returning" => "Undefined idname. Returning.",
 			"x_and_y_keys_must_have_same_nr_of_values_but_has_m_and_y" => "x and y keys must have the same number of values. They are different, x has %d keys and y has %d keys!",
-			"failed_temml" => "failed temml:"
+			"failed_temml" => "failed temml:",
+			"could_not_get_fcnn_data" => "Could not get FCNN data",
+			"could_not_retrieve_x_data" => "Could not retrieve x data",
+			"could_not_retrieve_y_data" => "Could not retrieve y data",
+			"last_layer_not_dense" => "Last layer not dense",
+			"an_error_occured" => "An error occurred:"
 		),
 
 		'de' => array(
@@ -1117,7 +1122,12 @@
 			"idname_is_null_returning" => "idname ist null. Verlasse Funktion.",
 			"idname_is_undefined_returning" => "idname ist undefiniert. Verlasse Funktion.",
 			"x_and_y_keys_must_have_same_nr_of_values_but_has_m_and_y" => "x und y keys müssen die gleiche Anzahl an Werten haben, aber sie sind unterschiedlich.x hat %d keys und y hat %d keys!",
-			"failed_temml" => "Temml fehlgeschlagen:"
+			"failed_temml" => "Temml fehlgeschlagen:",
+			"could_not_get_fcnn_data" => "Konnte FCNN-Daten nicht holen",
+			"could_not_retrieve_x_data" => "Konnte x-Daten nicht holen",
+			"could_not_retrieve_y_data" => "Konnte y-Daten nicht holen",
+			"last_layer_not_dense" => "Der letzte Layer ist nicht Dense",
+			"an_error_occured" => "Es ist ein Fehler aufgetreten:"
 		)
 	);