diff --git a/dash/_validate.py b/dash/_validate.py
index 5b1cdd0548..5f71f35278 100644
--- a/dash/_validate.py
+++ b/dash/_validate.py
@@ -2,6 +2,9 @@
 import re
 from textwrap import dedent
 from keyword import iskeyword
+from typing import Any
+from typing_extensions import Final
+
 import flask
 
 from ._grouping import grouping_len, map_grouping
@@ -15,6 +18,8 @@
     clean_property_name,
 )
 
+TRUNCATE_AT: Final[int] = 100
+
 
 def validate_callback(outputs, inputs, state, extra_args, types):
     Input, Output, State = types
@@ -209,11 +214,23 @@ def validate_multi_return(output_lists, output_values, callback_id):
                 )
 
 
+def truncate_object(obj: Any, at: int) -> str:
+    """Return a truncated string representation of an object."""
+    obj_stringified = str(obj)
+    size = len(obj_stringified)
+
+    if size <= at:
+        return obj_stringified
+
+    return obj_stringified[:at] + f"... (truncated - {size} characters total)"
+
+
 def fail_callback_output(output_value, output):
     valid_children = (str, int, float, type(None), Component)
     valid_props = (str, int, float, type(None), tuple, MutableSequence)
 
     def _raise_invalid(bad_val, outer_val, path, index=None, toplevel=False):
+        bad_val_stringified = truncate_object(bad_val, TRUNCATE_AT)
         bad_type = type(bad_val).__name__
         outer_id = f"(id={outer_val.id:s})" if getattr(outer_val, "id", False) else ""
         outer_type = type(outer_val).__name__
@@ -244,7 +261,7 @@ def _raise_invalid(bad_val, outer_val, path, index=None, toplevel=False):
 
                 {location}
                 and has string representation
-                `{bad_val}`
+                `{bad_val_stringified}`
 
                 In general, Dash properties can only be
                 dash components, strings, dictionaries, numbers, None,
diff --git a/tests/integration/devtools/test_devtools_error_handling.py b/tests/integration/devtools/test_devtools_error_handling.py
index fa51cda9d3..d5f51fc78b 100644
--- a/tests/integration/devtools/test_devtools_error_handling.py
+++ b/tests/integration/devtools/test_devtools_error_handling.py
@@ -1,5 +1,5 @@
 # -*- coding: UTF-8 -*-
-from dash import Dash, Input, Output, html, dcc
+from dash import _validate, Dash, Input, Output, html, dcc
 from dash.exceptions import PreventUpdate
 
 
@@ -260,3 +260,86 @@ def update_outputs(n_clicks):
     dash_duo.wait_for_text_to_equal(dash_duo.devtools_error_count_locator, "1")
     dash_duo.find_element(".test-devtools-error-toggle").click()
     dash_duo.percy_snapshot("devtools - multi output Python exception - open")
+
+
+def test_dveh006_truncate_callback(dash_duo):
+    app = Dash(__name__)
+
+    from dataclasses import dataclass
+    from typing import List, Dict, Any
+
+    @dataclass
+    class GenericItemA:
+        attribute_1: int
+        attribute_2: str
+
+    @dataclass
+    class GenericItemB:
+        key: str
+        value: List[str]
+
+    @dataclass
+    class GenericItemC:
+        identifier: int
+        description: str
+
+    @dataclass
+    class GenericOptions:
+        option_key: str
+        option_value: Any
+
+    @dataclass
+    class GenericDataModel:
+        ItemListA: List[GenericItemA]
+        SingleItemB: GenericItemB
+        NestedItemListC: List[List[GenericItemC]]
+        Options: GenericOptions
+        Metadata: Dict
+        AdditionalInfo: Any
+
+    app.layout = html.P(id="output")
+
+    @app.callback(Output("output", "children"), Input("url", "href"))
+    def get_width(_):
+        item_list_a = [
+            GenericItemA(attribute_1=123, attribute_2="Alpha"),
+            GenericItemA(attribute_1=456, attribute_2="Beta")
+        ]
+
+        single_item_b = GenericItemB(key="Key1", value=["Item1", "Item2"])
+
+        nested_item_list_c = [
+            [GenericItemC(identifier=101, description="Description1")],
+            [GenericItemC(identifier=102, description="Description2")]
+        ]
+
+        generic_options = GenericOptions(option_key="Option1", option_value="Value1")
+
+        generic_metadata = {"meta_key": "meta_value"}
+
+        additional_info = "Generic information"
+
+        # Creating an instance of GenericDataModel
+        generic_data_model = GenericDataModel(
+            ItemListA=item_list_a,
+            SingleItemB=single_item_b,
+            NestedItemListC=nested_item_list_c,
+            Options=generic_options,
+            Metadata=generic_metadata,
+            AdditionalInfo=additional_info
+        )
+
+        return generic_data_model
+
+    dash_duo.start_server(
+        app,
+        debug=True,
+        use_reloader=False,
+        use_debugger=True,
+        dev_tools_hot_reload=False,
+    )
+
+    dash_duo.find_element(".dash-debug-menu").click()
+    dash_duo.wait_for_text_to_equal(dash_duo.devtools_error_count_locator, "1")
+
+    assert len(get_error_html(dash_duo, 0)) == _validate.TRUNCATE_AT