diff --git a/release.notes b/release.notes
index 8958da90406..90287e94fe2 100644
--- a/release.notes
+++ b/release.notes
@@ -211,6 +211,12 @@ NEW: (#4910) --runslow option on unit tests to allow faster local tests
 NEW: (#4938) added a helloworld test for the (yet to be implemented) cloud testing in certification
 CHANGE: (#4968) Change the defaults for tests (to MySQL 8 and ES 7)
 
+[v7r1p42]
+
+*Framework
+FIX: (#5168) Avoid minor caching bug which causes constraints to be violated when rapidly
+     writing to UserProfileDB
+
 [v7r1p41]
 
 *Accounting
diff --git a/src/DIRAC/FrameworkSystem/DB/UserProfileDB.py b/src/DIRAC/FrameworkSystem/DB/UserProfileDB.py
index fdf7e1b79c2..3be0c457da8 100755
--- a/src/DIRAC/FrameworkSystem/DB/UserProfileDB.py
+++ b/src/DIRAC/FrameworkSystem/DB/UserProfileDB.py
@@ -136,16 +136,17 @@ def __getFieldsCached(self, tableName, outFields, condDict):
     TTL cache to dramatically improve performance.
     """
     key = (tableName, tuple(outFields), tuple(sorted(condDict.items())))
-    if key not in self.__cache:
-      result = self.getFields(tableName, outFields, condDict)
-      if not result['OK']:
-        return result
-      data = result['Value']
-      if len(data) > 0:
-        objId = data[0][0]
-        self.updateFields(tableName, ['LastAccess'], ['UTC_TIMESTAMP()'], {'Id': objId})
+    if key in self.__cache:
+      return self.__cache[key]
+    result = self.getFields(tableName, outFields, condDict)
+    if not result['OK']:
+      return result
+    data = result['Value']
+    if len(data) > 0:
+      objId = data[0][0]
+      self.updateFields(tableName, ['LastAccess'], ['UTC_TIMESTAMP()'], {'Id': objId})
       self.__cache[key] = result
-    return self.__cache[key]
+    return result
 
   def __getObjId(self, objValue, varName, tableName, insertIfMissing=True):
     result = self.__getFieldsCached(tableName, ['Id'], {varName: objValue})