Provide pad token in the config

config.json

@@ -11,7 +11,7 @@
   "classifier_bias": false,
   "classifier_dropout": 0.0,
   "classifier_pooling": "mean",
-  "cls_token_id": null,
+  "cls_token_id": 1,
   "decoder_bias": true,
   "deterministic_flash_attn": false,
   "embedding_dropout": 0.0,
@@ -36,10 +36,10 @@
   "norm_eps": 1e-05,
   "num_attention_heads": 12,
   "num_hidden_layers": 22,
-  "pad_token_id": null,
+  "pad_token_id": 2,
   "position_embedding_type": "absolute",
   "reference_compile": false,
-  "sep_token_id": null,
+  "sep_token_id": 1,
   "sparse_pred_ignore_index": -100,
   "sparse_prediction": false,
   "tokenizer_class": "LlamaTokenizerFast",