diff --git a/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/topology/AbstractCreateConnectableFeederBays.java b/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/topology/AbstractCreateConnectableFeederBays.java
index 9255f6eba96..d23801968dc 100644
--- a/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/topology/AbstractCreateConnectableFeederBays.java
+++ b/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/topology/AbstractCreateConnectableFeederBays.java
@@ -224,8 +224,8 @@ private void createExtensionAndTopology(Connectable<?> connectable, Network netw
                     createConnectablePosition = true;
                 }
             } else {
-                LOGGER.warn("No order positions found on voltageLevel {}. The extension is not created.", voltageLevel.getId());
-                noConnectablePositionExtension(reportNode, voltageLevel);
+                LOGGER.warn("No ConnectablePosition extension found on voltageLevel {}. The ConnectablePosition extension is not created for new feeder {}.", voltageLevel.getId(), connectableId);
+                noConnectablePositionExtension(reportNode, voltageLevel, connectableId);
             }
             // create switches and a breaker linking the connectable to the busbar sections.
             createTopology(side, network, voltageLevel, connectable, namingStrategy, reportNode);
diff --git a/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/util/ModificationReports.java b/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/util/ModificationReports.java
index 46659a297cf..35cae543424 100644
--- a/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/util/ModificationReports.java
+++ b/iidm/iidm-modification/src/main/java/com/powsybl/iidm/modification/util/ModificationReports.java
@@ -296,10 +296,11 @@ public static void positionOrderTooHighReport(ReportNode reportNode, int maxValu
                 .add();
     }
 
-    public static void noConnectablePositionExtension(ReportNode reportNode, VoltageLevel voltageLevel) {
+    public static void noConnectablePositionExtension(ReportNode reportNode, VoltageLevel voltageLevel, String connectableId) {
         reportNode.newReportNode()
-                .withMessageTemplate("noConnectablePositionExtensions", "No extensions found on voltageLevel ${voltageLevel}. The extension on the connectable is not created.")
+                .withMessageTemplate("noConnectablePositionExtensions", "No ConnectablePosition extension found on voltageLevel ${voltageLevel}. The ConnectablePosition extension is not created for new feeder ${connectableId}.")
                 .withUntypedValue("voltageLevel", voltageLevel.getId())
+                .withUntypedValue(CONNECTABLE_ID, connectableId)
                 .withSeverity(TypedValue.WARN_SEVERITY)
                 .add();
     }
diff --git a/iidm/iidm-modification/src/test/resources/reportNode/create-line-NB-without-extensions-report.txt b/iidm/iidm-modification/src/test/resources/reportNode/create-line-NB-without-extensions-report.txt
index 1ac8c95f743..c736a130e3c 100644
--- a/iidm/iidm-modification/src/test/resources/reportNode/create-line-NB-without-extensions-report.txt
+++ b/iidm/iidm-modification/src/test/resources/reportNode/create-line-NB-without-extensions-report.txt
@@ -1,8 +1,8 @@
 + Testing creating line reportNode without extensions
    New connectable lineTest of type LINE created.
-   No extensions found on voltageLevel vl2. The extension on the connectable is not created.
+   No ConnectablePosition extension found on voltageLevel vl2. The ConnectablePosition extension is not created for new feeder lineTest.
    No busbar section position extension found on bbs5, only one disconnector is created.
    New feeder bay associated to lineTest of type LINE was created and connected to voltage level vl2 on busbar section bbs5 with a closed disconnector and on 0 parallel busbar sections with an open disconnector.
-   No extensions found on voltageLevel vl1. The extension on the connectable is not created.
+   No ConnectablePosition extension found on voltageLevel vl1. The ConnectablePosition extension is not created for new feeder lineTest.
    No busbar section position extension found on bbs1, only one disconnector is created.
    New feeder bay associated to lineTest of type LINE was created and connected to voltage level vl1 on busbar section bbs1 with a closed disconnector and on 0 parallel busbar sections with an open disconnector.
diff --git a/iidm/iidm-modification/src/test/resources/reportNode/create-load-NB-without-extensions-report.txt b/iidm/iidm-modification/src/test/resources/reportNode/create-load-NB-without-extensions-report.txt
index c5a1850f02b..1929976e26e 100644
--- a/iidm/iidm-modification/src/test/resources/reportNode/create-load-NB-without-extensions-report.txt
+++ b/iidm/iidm-modification/src/test/resources/reportNode/create-load-NB-without-extensions-report.txt
@@ -1,5 +1,5 @@
 + Testing reportNode for a load creation in a network without extensions
    New connectable newLoad of type LOAD created.
-   No extensions found on voltageLevel vl1. The extension on the connectable is not created.
+   No ConnectablePosition extension found on voltageLevel vl1. The ConnectablePosition extension is not created for new feeder newLoad.
    No busbar section position extension found on bbs4, only one disconnector is created.
    New feeder bay associated to newLoad of type LOAD was created and connected to voltage level vl1 on busbar section bbs4 with a closed disconnector and on 0 parallel busbar sections with an open disconnector.