diff --git a/core/bulkchange/RowStatus_Error.php b/core/bulkchange/RowStatus_Error.php
new file mode 100644
index 000000000..d91b15211
--- /dev/null
+++ b/core/bulkchange/RowStatus_Error.php
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * class dedicated to testability
+ * not used/ignored in csv imports UI/CLI
+ * @since 3.1.0 N°5305
+ */
+class RowStatus_Error extends RowStatus
+{
+    /** @var string */
+    protected $m_sError;
+
+    public function __construct($sError)
+    {
+        $this->m_sError = $sError;
+    }
+
+    public function GetDescription()
+    {
+        return $this->m_sError;
+    }
+}
\ No newline at end of file