diff --git a/ProcessMaker/Traits/ProcessMapTrait.php b/ProcessMaker/Traits/ProcessMapTrait.php
index 590724808b..8aed611f3c 100644
--- a/ProcessMaker/Traits/ProcessMapTrait.php
+++ b/ProcessMaker/Traits/ProcessMapTrait.php
@@ -18,6 +18,9 @@ private function loadAndPrepareXML(string $bpmn): SimpleXMLElement
         $xml = simplexml_load_string($bpmn);
         $namespaces = $xml->getNamespaces(true);
 
+        // Register the BPMN namespace explicitly
+        $xml->registerXPathNamespace('bpmn', 'http://www.omg.org/spec/BPMN/20100524/MODEL');
+
         foreach ($namespaces as $prefix => $ns) {
             $xml->registerXPathNamespace($prefix, $ns);
         }
diff --git a/resources/jscomposition/cases/casesDetail/components/NewOverview.vue b/resources/jscomposition/cases/casesDetail/components/NewOverview.vue
index ce73174f7e..3d4bd3e35a 100644
--- a/resources/jscomposition/cases/casesDetail/components/NewOverview.vue
+++ b/resources/jscomposition/cases/casesDetail/components/NewOverview.vue
@@ -3,7 +3,7 @@
     class="tw-w-full tw-h-full tw-overflow-hidden tw-relative"
     data-test="body-container"
   >
-    <h4 class="tw-fixed tw-z-10">
+    <h4 class="tw-fixed tw-z-10 tw-p-4">
       {{ processTitle }}
     </h4>
     <MapLegend />
@@ -137,7 +137,7 @@ onMounted(() => {
 
 onBeforeUnmount(() => {
   ProcessMaker.$modeler = null;
-  modelerRef.value?.$destroy();
+  modelerRef.value.reset({ readOnly: true });
   modelerRef.value = null;
   tooltipRef.value = null;
 });