diff --git a/src/senaite/core/browser/static/js/bika.lims.analysisrequest.add.js b/src/senaite/core/browser/static/js/bika.lims.analysisrequest.add.js
index 3890e2fe3d..45145c7008 100644
--- a/src/senaite/core/browser/static/js/bika.lims.analysisrequest.add.js
+++ b/src/senaite/core/browser/static/js/bika.lims.analysisrequest.add.js
@@ -1261,7 +1261,7 @@
     }
 
     paste_value(field, value) {
-      var checked, controller, date, date_input, promise, time_input;
+      var checked, controller, date, date_input, error, promise, time_input;
       // handle reference field
       controller = this.get_widget_controller(field);
       if (controller) {
@@ -1294,9 +1294,15 @@
         // we need to fetch the date and time input fields
         date_input = field.querySelector("input[type='date']");
         time_input = field.querySelector("input[type='time']");
-        date = new Date(value);
-        date_input.value = date.toISOString().split("T")[0];
-        time_input.value = date.toTimeString().split(" ")[0];
+        try {
+          date = new Date(value);
+          date_input.value = date.toISOString().split("T")[0];
+          time_input.value = date.toTimeString().split(" ")[0];
+        } catch (error1) {
+          error = error1;
+          console.warn(error);
+          site.add_notification("Invalid date format", "Please use the format yyyy-mm-dd MM:HH");
+        }
       }
       // trigger form:changed event
       return $(this).trigger("form:changed");
diff --git a/src/senaite/core/browser/static/js/coffee/bika.lims.analysisrequest.add.coffee b/src/senaite/core/browser/static/js/coffee/bika.lims.analysisrequest.add.coffee
index 3febd6cd67..8e1532d299 100644
--- a/src/senaite/core/browser/static/js/coffee/bika.lims.analysisrequest.add.coffee
+++ b/src/senaite/core/browser/static/js/coffee/bika.lims.analysisrequest.add.coffee
@@ -1007,9 +1007,13 @@ class window.AnalysisRequestAdd
       # we need to fetch the date and time input fields
       date_input = field.querySelector("input[type='date']")
       time_input = field.querySelector("input[type='time']")
-      date = new Date(value)
-      date_input.value = date.toISOString().split("T")[0]
-      time_input.value = date.toTimeString().split(" ")[0]
+      try
+        date = new Date(value)
+        date_input.value = date.toISOString().split("T")[0]
+        time_input.value = date.toTimeString().split(" ")[0]
+      catch error
+        console.warn error
+        site.add_notification("Invalid date format", "Please use the format yyyy-mm-dd MM:HH")
 
     # trigger form:changed event
     $(this).trigger "form:changed"