diff --git a/application/Espo/Resources/i18n/en_US/Global.json b/application/Espo/Resources/i18n/en_US/Global.json
index a05a720b07..a1d2496662 100644
--- a/application/Espo/Resources/i18n/en_US/Global.json
+++ b/application/Espo/Resources/i18n/en_US/Global.json
@@ -367,6 +367,7 @@
         "fieldExceedsMaxCount": "Count exceeds max allowed {maxCount}",
         "barcodeInvalid": "{field} is not valid {type}",
         "arrayItemMaxLength": "Item shouldn't be longer than {max} characters",
+        "arrayInputNotEmpty": "Item is entered but not added",
         "resetPreferencesDone": "Preferences has been reset to defaults",
         "confirmation": "Are you sure?",
         "unlinkAllConfirmation": "Are you sure you want to unlink all related records?",
diff --git a/client/src/views/fields/array.js b/client/src/views/fields/array.js
index b00f41dc76..58f345912d 100644
--- a/client/src/views/fields/array.js
+++ b/client/src/views/fields/array.js
@@ -227,6 +227,10 @@ class ArrayFieldView extends BaseFieldView {
         if (this.params.allowCustomOptions || !this.params.options) {
             this.allowCustomOptions = true;
         }
+
+        if (this.type === 'array') {
+            this.validations.push('noInputValue')
+        }
     }
 
     focusOnElement() {
@@ -905,6 +909,33 @@ class ArrayFieldView extends BaseFieldView {
             });
         });
     }
+
+    // noinspection JSUnusedGlobalSymbols
+    /**
+     * @protected
+     * @return {boolean}
+     */
+    validateNoInputValue() {
+        if (!this.element) {
+            return false;
+        }
+
+        const input = this.element.querySelector('input.select');
+
+        if (!(input instanceof HTMLInputElement)) {
+            return false;
+        }
+
+        if (!input.value) {
+            return false;
+        }
+
+        const message = this.translate('arrayInputNotEmpty', 'messages');
+
+        this.showValidationMessage(message, 'input.select');
+
+        return true;
+    }
 }
 
 export default ArrayFieldView;