diff --git a/datamodels/2.x/itop-portal-base/portal/src/Form/ObjectFormManager.php b/datamodels/2.x/itop-portal-base/portal/src/Form/ObjectFormManager.php
index 43350b0f2..b2bb6b643 100644
--- a/datamodels/2.x/itop-portal-base/portal/src/Form/ObjectFormManager.php
+++ b/datamodels/2.x/itop-portal-base/portal/src/Form/ObjectFormManager.php
@@ -1157,7 +1157,10 @@ class ObjectFormManager extends FormManager
 			} catch (CoreCannotSaveObjectException $e) {
 				throw new Exception($e->getHtmlMessage());
 			} catch (InvalidExternalKeyValueException $e) {
-				throw new Exception($e->getIssue());
+				$sExceptionMessage = $e->getIssue();
+				$sExceptionMessage .= var_export($e->getContextData(), true);
+
+				throw new Exception($sExceptionMessage);
 			} catch (Exception $e) {
 				if ($bIsNew) {
 					throw new Exception(Dict::S('Portal:Error:ObjectCannotBeCreated'));