Changed num_beams to 4

config.json

@@ -44,10 +44,10 @@
   "model_type": "marian",
   "normalize_before": false,
   "normalize_embedding": false,
-  "num_beams": 6,
+  "num_beams": 4,
   "num_hidden_layers": 6,
   "pad_token_id": 57413,
   "scale_embedding": true,
   "static_position_embeddings": true,
   "vocab_size": 57414
-}
+}