diff -Naur ORIG/src/cpp/include/UTIL/CheckCollections.h PATCHED/src/cpp/include/UTIL/CheckCollections.h
--- ORIG/src/cpp/include/UTIL/CheckCollections.h	2026-04-07 20:30:15.285310218 +0000
+++ PATCHED/src/cpp/include/UTIL/CheckCollections.h	2026-04-07 20:30:15.285365915 +0000
@@ -6,6 +6,7 @@
 #include <string>
 #include <unordered_map>
 #include <set>
+#include <cstdint>
 
 namespace UTIL {
 
