FOUR-24334: Error with PM Block element in modeler, "Call Activity must have child process selected" error - [45092]

src/components/modeler/Modeler.vue

@@ -627,7 +627,7 @@
                   fill:  '#1572C2',
                   strokeWidth: 0,
                 },
                 text: { text: event.number , fill: 'white', fontSize: 20, fontWeight: 'bold'},
               },
             });
 
@@ -842,6 +842,8 @@
       if (this.isOpenPreview) {
         this.handlePreview();
       }
+      // Ensure validations are up to date when a node definition changes.
+      this.safeRevalidate();
     },
     onStartPreviewResize(event) {
       this.isResizingPreview = true;
@@ -1174,7 +1176,7 @@
       }
     },
     registerStatusBar(component) {
       this.owner.validationBar.push(component);
     },
     /**
      * Register a mixin into a node component.
@@ -2555,6 +2557,16 @@
         }
       });
     },
+    async safeRevalidate() {
+      // Run bpmnlint only when auto-validate is enabled and the model is ready.
+      if (!this.autoValidate) return;
+      // Wait for Vue and JointJS to settle before validating, so we don't lose errors
+      await this.$nextTick();
+      if (this.paperManager?.awaitScheduledUpdates) {
+        await this.paperManager.awaitScheduledUpdates();
+      }
+      await this.validateBpmnDiagram();
+    },
   },
   created() {
     if (runningInCypressTest()) {