diff --git a/src/smolagents/agents.py b/src/smolagents/agents.py
index 8b1f8dab9..299e073b0 100644
--- a/src/smolagents/agents.py
+++ b/src/smolagents/agents.py
@@ -1302,6 +1302,10 @@ def _step_stream(
             try:
                 chat_message = self.model.parse_tool_calls(chat_message)
             except Exception as e:
+                if isinstance(e, ValueError) and "The model output does not contain any JSON blob" in str(e):
+                    self.logger.log_warning(
+                        "The model's output is missing JSON data. This could be due to an insufficient number of output tokens set in the model configuration."
+                    )
                 raise AgentParsingError(f"Error while parsing tool call from model output: {e}", self.logger)
         else:
             for tool_call in chat_message.tool_calls:
@@ -1682,6 +1686,10 @@ def _step_stream(
             code_action = fix_final_answer_code(code_action)
             memory_step.code_action = code_action
         except Exception as e:
+            if isinstance(e, ValueError) and "Make sure to include code with the correct pattern" in str(e):
+                self.logger.log_warning(
+                    "The model's output is missing a Code output. This could be due to an insufficient number of output tokens set in the model configuration."
+                )
             error_msg = f"Error in code parsing:\n{e}\nMake sure to provide correct code blobs."
             raise AgentParsingError(error_msg, self.logger)
 
diff --git a/src/smolagents/monitoring.py b/src/smolagents/monitoring.py
index e264e8472..62edaaf37 100644
--- a/src/smolagents/monitoring.py
+++ b/src/smolagents/monitoring.py
@@ -187,6 +187,9 @@ def log_code(self, title: str, content: str, level: int = LogLevel.INFO) -> None
             level=level,
         )
 
+    def log_warning(self, title: str, level: int = LogLevel.INFO) -> None:
+        self.log("Warning: " + title, style=YELLOW_HEX, level=LogLevel.INFO)
+
     def log_rule(self, title: str, level: int = LogLevel.INFO) -> None:
         self.log(
             Rule(
diff --git a/tests/test_monitoring.py b/tests/test_monitoring.py
index df91baebf..8cbf85619 100644
--- a/tests/test_monitoring.py
+++ b/tests/test_monitoring.py
@@ -23,6 +23,7 @@
     ToolCallingAgent,
     stream_to_gradio,
 )
+from smolagents.memory import ActionStep, AgentMemory
 from smolagents.models import (
     ChatMessage,
     ChatMessageToolCall,
@@ -31,16 +32,7 @@
     Model,
     TokenUsage,
 )
-
-from smolagents.memory import (
-    AgentMemory, 
-    ActionStep
-)
 from smolagents.monitoring import AgentLogger
-from smolagents.models import (
-    ChatMessage, 
-    MessageRole
-)
 
 
 class FakeLLMModel(Model):
@@ -196,14 +188,14 @@ def test_code_agent_metrics(agent_class):
 
 class ReplayTester(unittest.TestCase):
     def test_replay_with_chatmessage(self):
-        """ Regression test for dict(message) to message.dict() fix """
+        """Regression test for dict(message) to message.dict() fix"""
         logger = AgentLogger()
         memory = AgentMemory(system_prompt="test")
-        step = ActionStep(step_number=1, timing = 0)
+        step = ActionStep(step_number=1, timing=0)
         step.model_input_messages = [ChatMessage(role=MessageRole.USER, content="Hello")]
         memory.steps.append(step)
 
         try:
             memory.replay(logger, detailed=True)
         except TypeError as e:
-            self.fail(f"Replay raised an error: {e}")
\ No newline at end of file
+            self.fail(f"Replay raised an error: {e}")
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 740ee3943..c76e21772 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -143,6 +143,19 @@ def test_multiple_code_blobs(self):
         assert result == "Foo\n\ncode_a\n\ncode_b"
 
 
+@pytest.mark.parametrize(
+    "raw_text",
+    [
+        "This is just some conversational text.",
+        "Here is an invalid code snippet `x = 10",
+    ],
+)
+def test_parse_code_blobs_without_valid_code(raw_text):
+    # Note: If the exact string is changed a parsing warning needs to be modified in agents.py
+    with pytest.raises(ValueError, match="Make sure to include code with the correct pattern"):
+        parse_code_blobs(raw_text, ("<code>", "</code>"))
+
+
 @pytest.fixture(scope="function")
 def ipython_shell():
     """Reset IPython shell before and after each test."""
@@ -486,6 +499,21 @@ def test_parse_json_blob_with_invalid_json(raw_json):
         parse_json_blob(raw_json)
 
 
+@pytest.mark.parametrize(
+    "raw_json",
+    [
+        "this string has no json blob",
+        "this string has an opening brace { but no closing one",
+        "",
+        "some text {",
+    ],
+)
+def test_parse_json_blob_without_json_blob(raw_json):
+    # Note: If the exact string is changed a parsing warning needs to be modified in agents.py
+    with pytest.raises(ValueError, match="The model output does not contain any JSON blob."):
+        parse_json_blob(raw_json)
+
+
 @pytest.mark.parametrize(
     "name,expected",
     [