diff --git a/manila/db/sqlalchemy/api.py b/manila/db/sqlalchemy/api.py
index 2974d193b2..06ffea5f61 100644
--- a/manila/db/sqlalchemy/api.py
+++ b/manila/db/sqlalchemy/api.py
@@ -3761,6 +3761,10 @@ def _share_type_get(context, id, session=None, inactive=False,
               first())
 
     if not result:
+        # The only way that id could be None is if the default share type is
+        # not configured and no other share type was specified.
+        if id is None:
+            raise exception.DefaultShareTypeNotConfigured()
         raise exception.ShareTypeNotFound(share_type_id=id)
 
     share_type = _dict_with_specs(result)
diff --git a/manila/exception.py b/manila/exception.py
index 2c0bdef5c1..c78a46fda3 100644
--- a/manila/exception.py
+++ b/manila/exception.py
@@ -649,6 +649,11 @@ class ShareTypeDoesNotExist(NotFound):
     message = _("Share Type %(share_type)s does not exist.")
 
 
+class DefaultShareTypeNotConfigured(NotFound):
+    message = _("No default share type is configured. Either configure a "
+                "default share type or explicitly specify a share type.")
+
+
 class ShareGroupTypeExists(ManilaException):
     message = _("Share group type %(type_id)s already exists.")
 
diff --git a/manila/tests/db/sqlalchemy/test_api.py b/manila/tests/db/sqlalchemy/test_api.py
index 027721a047..6549fe624a 100644
--- a/manila/tests/db/sqlalchemy/test_api.py
+++ b/manila/tests/db/sqlalchemy/test_api.py
@@ -2752,6 +2752,10 @@ class ShareTypeAPITestCase(test.TestCase):
 
         self.assertIsNone(result)
 
+    def test_share_type_get_with_none_id(self):
+        self.assertRaises(exception.DefaultShareTypeNotConfigured,
+                          db_api.share_type_get, self.ctxt, None)
+
 
 class MessagesDatabaseAPITestCase(test.TestCase):
 
diff --git a/manila/tests/test_exception.py b/manila/tests/test_exception.py
index d882d6f3b3..4dd40e5b26 100644
--- a/manila/tests/test_exception.py
+++ b/manila/tests/test_exception.py
@@ -486,6 +486,11 @@ class ManilaExceptionResponseCode404(test.TestCase):
         self.assertIn(share_type_id, e.msg)
         self.assertIn(extra_specs_key, e.msg)
 
+    def test_default_share_type_not_configured(self):
+        # Verify response code for exception.DefaultShareTypeNotConfigured
+        e = exception.DefaultShareTypeNotConfigured()
+        self.assertEqual(404, e.code)
+
     def test_instance_not_found(self):
         # verify response code for exception.InstanceNotFound
         instance_id = "fake_instance_id"
diff --git a/releasenotes/notes/bug-1700346-new-exception-for-no-default-share-type-b1dd9bbe8c9cb3df.yaml b/releasenotes/notes/bug-1700346-new-exception-for-no-default-share-type-b1dd9bbe8c9cb3df.yaml
new file mode 100644
index 0000000000..812a17737a
--- /dev/null
+++ b/releasenotes/notes/bug-1700346-new-exception-for-no-default-share-type-b1dd9bbe8c9cb3df.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - A new exception will be thrown when a default share type was not
+    configured and no other share type was specified on any sort of
+    share creation.