diff --git a/OptimizelySDK.Tests/OptimizelyTest.cs b/OptimizelySDK.Tests/OptimizelyTest.cs
index b4c0a39c..367b1fc9 100644
--- a/OptimizelySDK.Tests/OptimizelyTest.cs
+++ b/OptimizelySDK.Tests/OptimizelyTest.cs
@@ -6183,6 +6183,16 @@ public void TestSendOdpEventNullAction()
             optly.Dispose();
         }
 
+        [Test]
+        public void TestSendOdpEventInvalidOptimizelyObject()
+        {
+            var optly = new Optimizely("Random datafile", null, LoggerMock.Object);
+            optly.SendOdpEvent("some_action", new Dictionary<string, string>() { { "some_key", "some_value" } }, "some_event");
+            LoggerMock.Verify(
+                l => l.Log(LogLevel.ERROR, "Datafile has invalid format. Failing 'SendOdpEvent'."),
+                Times.Once);
+        }
+
         [Test]
         public void TestSendOdpEventEmptyStringAction()
         {
@@ -6193,6 +6203,7 @@ public void TestSendOdpEventEmptyStringAction()
 
             optly.Dispose();
         }
+
         [Test]
         public void TestSendOdpEventNullType()
         {
@@ -6226,5 +6237,33 @@ public void TestSendOdpEventEmptyStringType()
         }
 
         #endregion Test SendOdpEvent
+
+        #region Test FetchQualifiedSegments
+
+        [Test]
+        public void TestFetchQualifiedSegmentsInvalidOptimizelyObject()
+        {
+            var optly = new Optimizely("Random datafile", null, LoggerMock.Object);
+            optly.FetchQualifiedSegments("some_user", null);
+            LoggerMock.Verify(
+                l => l.Log(LogLevel.ERROR, "Datafile has invalid format. Failing 'FetchQualifiedSegments'."),
+                Times.Once);
+        }
+
+        #endregion Test FetchQualifiedSegments
+
+        #region Test IdentifyUser
+
+        [Test]
+        public void TestIdentifyUserInvalidOptimizelyObject()
+        {
+            var optly = new Optimizely("Random datafile", null, LoggerMock.Object);
+            optly.IdentifyUser("some_user");
+            LoggerMock.Verify(
+                l => l.Log(LogLevel.ERROR, "Datafile has invalid format. Failing 'IdentifyUser'."),
+                Times.Once);
+        }
+
+        #endregion Test IdentifyUser
     }
 }
diff --git a/OptimizelySDK/Optimizely.cs b/OptimizelySDK/Optimizely.cs
index 0c5a7070..f705c396 100644
--- a/OptimizelySDK/Optimizely.cs
+++ b/OptimizelySDK/Optimizely.cs
@@ -1339,6 +1339,14 @@ internal string[] FetchQualifiedSegments(string userId,
             List<OdpSegmentOption> segmentOptions
         )
         {
+            var config = ProjectConfigManager?.GetConfig();
+
+            if (config == null)
+            {
+                Logger.Log(LogLevel.ERROR, "Datafile has invalid format. Failing 'FetchQualifiedSegments'.");
+                return null;
+            }
+
             return OdpManager?.FetchQualifiedSegments(userId, segmentOptions);
         }
 
@@ -1348,6 +1356,14 @@ List<OdpSegmentOption> segmentOptions
         /// <param name="userId">FS User ID to send</param>
         internal void IdentifyUser(string userId)
         {
+            var config = ProjectConfigManager?.GetConfig();
+
+            if (config == null)
+            {
+                Logger.Log(LogLevel.ERROR, "Datafile has invalid format. Failing 'IdentifyUser'.");
+                return;
+            }
+
             OdpManager?.IdentifyUser(userId);
         }
 
@@ -1373,6 +1389,14 @@ public void SendOdpEvent(string action, Dictionary<string, string> identifiers,
                 type = Constants.ODP_EVENT_TYPE;
             }
 
+            var config = ProjectConfigManager?.GetConfig();
+
+            if (config == null)
+            {
+                Logger.Log(LogLevel.ERROR, "Datafile has invalid format. Failing 'SendOdpEvent'.");
+                return;
+            }
+
             OdpManager?.SendEvent(type, action, identifiers, data);
         }
 #endif