diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetLearnEntity.java b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetLearnEntity.java
index 99a79f95..0d50601a 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetLearnEntity.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetLearnEntity.java
@@ -187,7 +187,7 @@ public class MapSheetLearnEntity {
   private int m3FailedJobs = 0;
 
   @Column(name = "uid", nullable = false)
-  private String uid;
+  private String uid = UUID.randomUUID().toString().replace("-", "");
 
   public InferenceResultDto.ResultList toDto() {
     return new InferenceResultDto.ResultList(