diff --git a/rsconcept/backend/cctext/resolver.py b/rsconcept/backend/cctext/resolver.py
index 62d3a534..0f045845 100644
--- a/rsconcept/backend/cctext/resolver.py
+++ b/rsconcept/backend/cctext/resolver.py
@@ -13,7 +13,11 @@ def resolve_entity(ref: EntityReference, context: TermContext) -> str:
     alias = ref.entity
     if alias not in context:
         return f'!Неизвестная сущность: {alias}!'
-    return context[alias].get_form(ref.form)
+    resolved = context[alias].get_form(ref.form)
+    if resolved == '':
+        return f'!Отсутствует термин: {alias}!'
+    else:
+        return resolved
 
 
 def resolve_syntactic(ref: SyntacticReference, index: int, allrefs: list['ResolvedReference']) -> str:
diff --git a/rsconcept/backend/cctext/tests/t_reference.py b/rsconcept/backend/cctext/tests/t_reference.py
index 148500e7..ae7c3e61 100644
--- a/rsconcept/backend/cctext/tests/t_reference.py
+++ b/rsconcept/backend/cctext/tests/t_reference.py
@@ -25,6 +25,7 @@ class TestReferences(unittest.TestCase):
         self.assertIsNone(parse_reference('invalid'))
         self.assertIsNone(parse_reference(' '))
         self.assertIsNone(parse_reference('@{|}'))
+        self.assertIsNone(parse_reference('@{|черный}'))
         self.assertIsNone(parse_reference('@{ | }'))
         self.assertIsNone(parse_reference('@{-1| }'))
         self.assertIsNone(parse_reference('@{1| }'))
diff --git a/rsconcept/backend/cctext/tests/t_resolver.py b/rsconcept/backend/cctext/tests/t_resolver.py
index 0dafe80e..370bd926 100644
--- a/rsconcept/backend/cctext/tests/t_resolver.py
+++ b/rsconcept/backend/cctext/tests/t_resolver.py
@@ -13,11 +13,13 @@ class TestResolver(unittest.TestCase):
     def setUp(self):
         self.context = cast(TermContext, {})
         self.context['X1'] = Entity('X1', 'человек')
+        self.context['X2'] = Entity('X2', '')
         self.resolver = Resolver(self.context)
 
     def test_resolve_entity(self):
         self.assertEqual(resolve_entity(EntityReference('X1', ''), self.context), 'человек')
         self.assertEqual(resolve_entity(EntityReference('X1', 'plur'), self.context), 'люди')
+        self.assertEqual(resolve_entity(EntityReference('X2', ''), self.context), '!Отсутствует термин: X2!')
         self.assertEqual(resolve_entity(EntityReference('X1', 'invalid'), self.context), '!Неизвестная граммема: invalid!')
         self.assertEqual(resolve_entity(EntityReference('X123', 'plur'), self.context), '!Неизвестная сущность: X123!')