try limit snapshotjobs

app/Jobs/Vps/SnapshotVmJob.php

@@ -36,6 +36,9 @@ class SnapshotVmJob extends BaseJob
             $this->sleep(25);
             return false;
         }
+
+        $this->resourceGuard()->snapshotLimit();
+
         syslog(LOG_NOTICE,"Snapshot Create for " . $this->model->id );
         $snapshot = new Snapshot();
         $snapshot->setApi($this->api());