diff --git a/classes/local/step/sftp_trait.php b/classes/local/step/sftp_trait.php
index f44a7ee7..35d32e8d 100644
--- a/classes/local/step/sftp_trait.php
+++ b/classes/local/step/sftp_trait.php
@@ -281,9 +281,11 @@ public function execute($input = null) {
             // Upload to remote.
             $this->upload($sftp, $sourcepath, $targetpath);
         } catch (\Throwable $e) {
+            $this->enginestep->log->error($e->getMessage());
             if (isset($sftp)) {
                 $sftp->disconnect();
             }
+            throw new \moodle_exception($e->getMessage(), 'tool_dataflows');
         }
 
         return $input;