diff --git a/src/op_analytics/datapipeline/models/code/account_abstraction/model.py b/src/op_analytics/datapipeline/models/code/account_abstraction/model.py
index 43f4dbf9776..5417abd5ca4 100644
--- a/src/op_analytics/datapipeline/models/code/account_abstraction/model.py
+++ b/src/op_analytics/datapipeline/models/code/account_abstraction/model.py
@@ -81,16 +81,18 @@ def account_abstraction(
     log.info("memory usage after enriched traces", max_rss=memory_usage())
 
     # Data Quality Checks
-    errors = []
-    for name, val in auxiliary_templates.items():
-        if "data_quality_check" in name:
-            errors.extend(val.run_as_data_quality_check(duckdb_context=ctx))
+    errors: list[tuple[str, dict]] = []
+    for tpl_name, tpl in auxiliary_templates.items():
+        if "data_quality_check" in tpl_name:
+            template_errors = tpl.run_as_data_quality_check(duckdb_context=ctx)
+            errors.extend((tpl_name, err) for err in template_errors)
+
     if errors:
         log.error("failed data quality")
-        for error in errors[:10]:
-            log.error(str(error))
+        for tpl_name, err in errors[:10]:
+            log.error(f"{tpl_name}: {err}")
 
-        raise Exception("\n\n".join([name] + [str(_) for _ in errors]))
+        raise Exception("\n\n".join(f"{tpl_name}: {err}" for tpl_name, err in errors))
     else:
         log.info("Data Quality OK")
 
diff --git a/tests/op_analytics/datapipeline/models/code/account_abstraction/test_data_quality_failure.py b/tests/op_analytics/datapipeline/models/code/account_abstraction/test_data_quality_failure.py
new file mode 100644
index 00000000000..d6a16b9883e
--- /dev/null
+++ b/tests/op_analytics/datapipeline/models/code/account_abstraction/test_data_quality_failure.py
@@ -0,0 +1,117 @@
+import sys
+import types
+import pytest
+
+# Stub out heavy dependencies used during import. The real modules pull in
+# native dependencies that are not available in the test environment, so we
+# provide minimal ``ModuleType`` shims instead of ``SimpleNamespace`` objects to
+# keep ``mypy`` satisfied.
+
+duckdb_stub = types.ModuleType("duckdb")
+setattr(duckdb_stub, "DuckDBPyConnection", object)
+setattr(duckdb_stub, "DuckDBPyRelation", object)
+sys.modules.setdefault("duckdb", duckdb_stub)
+
+polars_stub = types.ModuleType("polars")
+setattr(polars_stub, "DataFrame", object)
+sys.modules.setdefault("polars", polars_stub)
+
+pyarrow_stub = types.ModuleType("pyarrow")
+setattr(pyarrow_stub, "Table", object)
+sys.modules.setdefault("pyarrow", pyarrow_stub)
+
+overrides_stub = types.ModuleType("overrides")
+setattr(overrides_stub, "EnforceOverrides", object)
+setattr(overrides_stub, "override", lambda f: f)
+sys.modules.setdefault("overrides", overrides_stub)
+
+orjson_stub = types.ModuleType("orjson")
+sys.modules.setdefault("orjson", orjson_stub)
+
+decoders_stub = types.ModuleType(
+    "op_analytics.datapipeline.models.code.account_abstraction.decoders",
+)
+setattr(decoders_stub, "register_4337_decoders", lambda ctx: None)
+sys.modules.setdefault(
+    "op_analytics.datapipeline.models.code.account_abstraction.decoders",
+    decoders_stub,
+)
+
+compute_model_stub = types.ModuleType(
+    "op_analytics.datapipeline.models.compute.model",
+)
+setattr(compute_model_stub, "AuxiliaryTemplate", type("AuxiliaryTemplate", (), {}))
+sys.modules.setdefault("op_analytics.datapipeline.models.compute.model", compute_model_stub)
+
+compute_registry_stub = types.ModuleType(
+    "op_analytics.datapipeline.models.compute.registry",
+)
+setattr(compute_registry_stub, "register_model", lambda *a, **k: (lambda f: f))
+sys.modules.setdefault("op_analytics.datapipeline.models.compute.registry", compute_registry_stub)
+
+compute_types_stub = types.ModuleType(
+    "op_analytics.datapipeline.models.compute.types",
+)
+setattr(compute_types_stub, "NamedRelations", dict)
+sys.modules.setdefault("op_analytics.datapipeline.models.compute.types", compute_types_stub)
+
+dummy_logger = types.ModuleType("op_analytics.coreutils.logger")
+setattr(dummy_logger, "memory_usage", lambda: 0)
+setattr(
+    dummy_logger,
+    "structlog",
+    types.SimpleNamespace(
+        get_logger=lambda: types.SimpleNamespace(
+            info=lambda *a, **k: None, error=lambda *a, **k: None
+        )
+    ),
+)
+setattr(dummy_logger, "human_size", lambda *a, **k: "0B")
+sys.modules.setdefault("op_analytics.coreutils.logger", dummy_logger)
+
+from op_analytics.datapipeline.models.code.account_abstraction import model
+
+
+class DummyParquetData:
+    def as_subquery(self):
+        return "SELECT 1"
+
+    def create_table(self):
+        return "dummy_table"
+
+
+class DummyTemplate:
+    def __init__(self, errors=None):
+        self.errors = errors or []
+
+    def create_table(self, duckdb_context, template_parameters):
+        return "user_ops"
+
+    def create_view(self, duckdb_context, template_parameters):
+        return "entrypoint_traces"
+
+    def run_as_data_quality_check(self, duckdb_context):
+        return self.errors
+
+
+def test_data_quality_error_reports_template(monkeypatch):
+    # Patch decoder registration to no-op to avoid needing DuckDB setup
+    monkeypatch.setattr(model, "register_4337_decoders", lambda ctx: None)
+
+    ctx = object()
+    input_datasets = {
+        "blockbatch/account_abstraction_prefilter/entrypoint_logs_v1": DummyParquetData(),
+        "blockbatch/account_abstraction_prefilter/entrypoint_traces_v1": DummyParquetData(),
+    }
+    aux_templates = {
+        "account_abstraction/useroperationevent_logs": DummyTemplate(),
+        "account_abstraction/enriched_entrypoint_traces": DummyTemplate(),
+        "account_abstraction/data_quality_check_fail": DummyTemplate(
+            errors=[{"error": "bad data"}]
+        ),
+    }
+
+    with pytest.raises(Exception) as excinfo:
+        model.account_abstraction(ctx, input_datasets, aux_templates)
+
+    assert "account_abstraction/data_quality_check_fail" in str(excinfo.value)