diff --git a/README.md b/README.md
index 7c06046..aa47665 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # Error Search
 
+ - CoreDataUserDefaultPractice[10354:256518] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'NSFetchRequest could not locate an NSEntityDescription for entity name 'Items''
+> Change Entity name
+> Clean your build and rebuild it with changed Entity name