diff --git a/src/classes/metadata-types/date/class-tainacan-date.php b/src/classes/metadata-types/date/class-tainacan-date.php
index 015251528..e19d29593 100644
--- a/src/classes/metadata-types/date/class-tainacan-date.php
+++ b/src/classes/metadata-types/date/class-tainacan-date.php
@@ -48,15 +48,32 @@ class Date extends Metadata_Type {
         if (is_array($value)) {
             foreach ($value as $date_value) {
                 $d = \DateTime::createFromFormat($format, $date_value);
-                if ( !($d && $d->format($format) === $date_value) ) {
+                if (!$d || $d->format($format) !== $value) {
+                    $this->add_error( 
+                        sprintf(
+                            __('Invalid date format. Expected format is YYYY-MM-DD, got %s.', 'tainacan'),
+                            $value
+                        )
+                    );
                     return false;
                 }
             }
             return True;
         }
-
+        
         $d = \DateTime::createFromFormat($format, $value);
-        return $d && $d->format($format) === $value;
+        
+        if (!$d || $d->format($format) !== $value) {
+            $this->add_error( 
+                sprintf(
+                    __('Invalid date format. Expected format is YYYY-MM-DD, got %s.', 'tainacan'),
+                    $value
+                )
+            );
+            return false;
+        }
+        return true;
+        
     }
 	
 	/**
diff --git a/src/classes/metadata-types/metadata-type/class-tainacan-metadata-type.php b/src/classes/metadata-types/metadata-type/class-tainacan-metadata-type.php
index 612ac8b2b..2bc5303a6 100644
--- a/src/classes/metadata-types/metadata-type/class-tainacan-metadata-type.php
+++ b/src/classes/metadata-types/metadata-type/class-tainacan-metadata-type.php
@@ -153,6 +153,10 @@ abstract class Metadata_Type  {
     public function set_description($description){
         $this->description = $description;
     }
+    
+    public function add_error($msg) {
+        $this->errors[] = $msg;
+    }
 
     /**
      * @param $options