diff --git a/src/logic/compose/generateSchema/generateSchema.ts b/src/logic/compose/generateSchema/generateSchema.ts
index 00c2a17..b475ba9 100644
--- a/src/logic/compose/generateSchema/generateSchema.ts
+++ b/src/logic/compose/generateSchema/generateSchema.ts
@@ -24,6 +24,7 @@ export const generateSchema = async ({ configPath, targetDirPath }: { configPath
   );
   const taskSuite = new Listr(tasks);
   await taskSuite.run().catch((err) => {
+    // console.error(err); // tslint:disable-line no-console ; // TODO: choose full error when debugging
     console.error(err.message); // tslint:disable-line no-console
   });
 };
diff --git a/src/logic/generate/entityTables/generateEntityTables.ts b/src/logic/generate/entityTables/generateEntityTables.ts
index fc496be..b56375f 100644
--- a/src/logic/generate/entityTables/generateEntityTables.ts
+++ b/src/logic/generate/entityTables/generateEntityTables.ts
@@ -21,7 +21,13 @@ export const generateEntityTables = ({ entity }: { entity: Entity }) => {
   });
 
   // 2. validate the props
-  // TODO: throw error if the unique constraint has dynamic properties
+  const updatableUniqueKeys = Object.keys(updatableProps).filter((key) => entity.unique.includes(key));
+  if (updatableUniqueKeys.length)
+    throw new Error(
+      `Detected a unique key on '${
+        entity.name
+      }' which references an updatable property. This is not supported. Keys ${JSON.stringify(updatableUniqueKeys)}`,
+    );
 
   // 3. define the sql
   const entityTable = generateTableForStaticProperties({