Update generation_config.json

generation_config.json

@@ -2,6 +2,7 @@
   "decoder_start_token_id": 0,
   "eos_token_id": 1,
   "pad_token_id": 0,
+  "max_length": 1024,
   "transformers_version": "4.33.1",
   "use_cache": false
 }