diff --git a/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml b/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml
index 363da97ba..7a8df6f25 100644
--- a/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml	
+++ b/topology/Korea Institute of Science and Technology Information/T3_KR_KISTI/KISTIPRPCachingInfrastructure_downtime.yaml	
@@ -8,3 +8,15 @@
   ResourceName: Stashcache-KISTI
   Services:
   - XRootD cache server
+# ---------------------------------------------------------
+- Class: UNSCHEDULED
+  ID: 1769994104
+  Description: overloaded
+  Severity: Outage
+  StartTime: Apr 01, 2024 19:30 +0000
+  EndTime: Apr 01, 2024 19:30 +0000
+  CreatedTime: Apr 10, 2024 19:23 +0000
+  ResourceName: Stashcache-KISTI
+  Services:
+  - XRootD cache server
+# ---------------------------------------------------------