diff --git a/cachi2/core/package_managers/yarn_classic/main.py b/cachi2/core/package_managers/yarn_classic/main.py
index 4b6c160f4..20a6fa3c0 100644
--- a/cachi2/core/package_managers/yarn_classic/main.py
+++ b/cachi2/core/package_managers/yarn_classic/main.py
@@ -218,7 +218,12 @@ def _verify_no_offline_mirror_collisions(packages: Iterable[YarnClassicPackage])
     c = Counter(tarballs)
     duplicate_tarballs = [f"{name} ({count}x)" for name, count in c.most_common() if count > 1]
     if len(duplicate_tarballs) > 0:
-        raise PackageManagerError(f"Duplicate tarballs detected: {', '.join(duplicate_tarballs)}")
+        log.warning(
+            "Duplicate tarballs detected in the offline mirror: %s. "
+            "This may lead to unexpected behavior or conflicts during package installation. "
+            "Ensure that each package has a unique tarball name.",
+            ", ".join(duplicate_tarballs),
+        )
 
 
 # References
diff --git a/tests/unit/package_managers/yarn_classic/test_main.py b/tests/unit/package_managers/yarn_classic/test_main.py
index cefdc0799..28eea57cd 100644
--- a/tests/unit/package_managers/yarn_classic/test_main.py
+++ b/tests/unit/package_managers/yarn_classic/test_main.py
@@ -247,7 +247,9 @@ def test_verify_corepack_yarn_version_invalid_version(
         _verify_corepack_yarn_version(RootedPath(tmp_path), env={"foo": "bar"})
 
 
-def test_verify_offline_mirror_collisions_registry_packages() -> None:
+def test_verify_offline_mirror_collisions_registry_packages(
+    caplog: pytest.LogCaptureFixture,
+) -> None:
     packages: Iterable[YarnClassicPackage] = [
         RegistryPackage(
             name="foo",
@@ -261,11 +263,13 @@ def test_verify_offline_mirror_collisions_registry_packages() -> None:
         ),
     ]
 
-    with pytest.raises(PackageManagerError):
-        _verify_no_offline_mirror_collisions(packages)
+    _verify_no_offline_mirror_collisions(packages)
+    assert "Duplicate tarballs detected in the offline mirror: same-1.0.0.tgz (2x)" in caplog.text
 
 
-def test_verify_offline_mirror_collisions_scoped_registry_packages() -> None:
+def test_verify_offline_mirror_collisions_scoped_registry_packages(
+    caplog: pytest.LogCaptureFixture,
+) -> None:
     packages: Iterable[YarnClassicPackage] = [
         RegistryPackage(
             name="foo",
@@ -279,15 +283,21 @@ def test_verify_offline_mirror_collisions_scoped_registry_packages() -> None:
         ),
     ]
 
-    with pytest.raises(PackageManagerError):
-        _verify_no_offline_mirror_collisions(packages)
+    _verify_no_offline_mirror_collisions(packages)
+    assert (
+        "Duplicate tarballs detected in the offline mirror: @colors-colors-1.6.0.tgz (2x)"
+        in caplog.text
+    )
 
 
-def test_verify_offline_mirror_collisions_git_packages() -> None:
+def test_verify_offline_mirror_collisions_git_packages(caplog: pytest.LogCaptureFixture) -> None:
     packages: Iterable[YarnClassicPackage] = [
         GitPackage(name="foo", version="1.0.0", url="https://github.com/user/repo.git#commit-hash"),
         GitPackage(name="bar", version="1.0.0", url="https://github.com/user/repo.git#commit-hash"),
     ]
 
-    with pytest.raises(PackageManagerError):
-        _verify_no_offline_mirror_collisions(packages)
+    _verify_no_offline_mirror_collisions(packages)
+    assert (
+        "Duplicate tarballs detected in the offline mirror: repo.git-commit-hash (2x)"
+        in caplog.text
+    )