diff --git a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mVersionedModelProvider.java b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mVersionedModelProvider.java
index ad31c674c3..0667c46da8 100644
--- a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mVersionedModelProvider.java
+++ b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/LwM2mVersionedModelProvider.java
@@ -95,7 +95,7 @@ public class LwM2mVersionedModelProvider implements LwM2mModelProvider {
                 if (objectModel != null)
                     return objectModel.resources.get(resourceId);
                 else
-                    log.trace("TbResources (Object model) with id [{}/0/{}] not found on the server.", objectId, resourceId);
+                    log.trace("Tenant hasn't such the TbResources: Object model with id [{}/0/{}].", objectId, resourceId);
                 return null;
             } catch (Exception e) {
                 log.error("", e);
@@ -138,7 +138,7 @@ public class LwM2mVersionedModelProvider implements LwM2mModelProvider {
                     if (objectModel != null) {
                         models.get(tenantId).put(key, objectModel);
                     } else {
-                        log.error("Object model with id [{}] version [{}] not found on the server.", objectId, version);
+                        log.error("Tenant hasn't such the resource: Object model with id [{}] version [{}].", objectId, version);
                     }
                 } finally {
                     modelsLock.unlock();
diff --git a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/downlink/DefaultLwM2mDownlinkMsgHandler.java b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/downlink/DefaultLwM2mDownlinkMsgHandler.java
index ccfcd57163..681ae6e8f0 100644
--- a/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/downlink/DefaultLwM2mDownlinkMsgHandler.java
+++ b/common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/downlink/DefaultLwM2mDownlinkMsgHandler.java
@@ -187,7 +187,7 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
             sendSimpleRequest(client, downlink, request.getTimeout(), callback);
         }
         else {
-            callback.onValidationError(toString(request), "Resource " + request.getVersionedId() + " is not configured in the device profile!");
+            callback.onValidationError(toString(request), "Tenant hasn't such the TbResources: " + request.getVersionedId() + "!");
         }
     }
 
@@ -248,7 +248,7 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
                 callback.onError(toString(request), e);
             }
         } else {
-            callback.onValidationError(toString(request), "Resource " + request.getVersionedId() + " is not configured in the device profile!");
+            callback.onValidationError(toString(request), "Tenant hasn't such the TbResources: " + request.getVersionedId() + "!");
         }
     }
 
@@ -281,7 +281,7 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
                 sendSimpleRequest(client, downlink, request.getTimeout(), callback);
             }
             else {
-                callback.onValidationError(toString(request), "Resource " + request.getVersionedId() + " is not configured in the device profile!");
+                callback.onValidationError(toString(request), "Tenant hasn't such the TbResources: " + request.getVersionedId() + " !");
             }
         } else if (resultIds.isObjectInstance()) {
             /*