diff --git a/openpype/pipeline/publish/__init__.py b/openpype/pipeline/publish/__init__.py
index 10a18cd384..4a18c1a110 100644
--- a/openpype/pipeline/publish/__init__.py
+++ b/openpype/pipeline/publish/__init__.py
@@ -1,7 +1,11 @@
 from .publish_plugins import (
+    PublishValidationError,
+    KnownPublishError,
     OpenPypePyblishPluginMixin
 )
 
 __all__ = (
-    "OpenPypePyblishPluginMixin",
+    "PublishValidationError",
+    "KnownPublishError",
+    "OpenPypePyblishPluginMixin"
 )
diff --git a/openpype/pipeline/publish/publish_plugins.py b/openpype/pipeline/publish/publish_plugins.py
index c896d5ef32..31bc715b62 100644
--- a/openpype/pipeline/publish/publish_plugins.py
+++ b/openpype/pipeline/publish/publish_plugins.py
@@ -1,3 +1,11 @@
+class PublishValidationError(Exception):
+    pass
+
+
+class KnownPublishError(Exception):
+    pass
+
+
 class OpenPypePyblishPluginMixin:
     executable_in_thread = False