diff --git a/python/jupytercad_core/src/stlplugin/model.ts b/python/jupytercad_core/src/stlplugin/model.ts
index 9b1c9322..6f309ae2 100644
--- a/python/jupytercad_core/src/stlplugin/model.ts
+++ b/python/jupytercad_core/src/stlplugin/model.ts
@@ -56,12 +56,14 @@ export class JupyterCadStlDoc extends JupyterCadDoc {
   editable = false;
 
   private _sourceObserver = (events: Y.YEvent<any>[]): void => {
+    console.log('STL SOURCE CHANGED!!!', events);
     const changes: Array<{
       name: string;
       key: keyof IJCadObject;
       newValue: IJCadObject;
     }> = [];
     events.forEach(event => {
+      console.log('STL SOURCE CHANGED', event.target.toJSON());
       event.keys.forEach((change, key) => {
         changes.push({
           name: 'Stl File',
diff --git a/ui-tests/tests/sketcher.spec.ts b/ui-tests/tests/sketcher.spec.ts
index 877a5558..d0783ffd 100644
--- a/ui-tests/tests/sketcher.spec.ts
+++ b/ui-tests/tests/sketcher.spec.ts
@@ -8,7 +8,7 @@ test.describe('Sketcher test', () => {
   test.beforeEach(async ({ page, request }) => {
     page.setViewportSize({ width: 1920, height: 1080 });
     page.on('console', message => {
-      console.log('ERROR IN THE PAGE', message.text());
+      console.log('CONSOLE MSG', message.text());
       if (message.type() === 'error') {
         errors += 1;
       }
diff --git a/ui-tests/tests/tree.spec.ts b/ui-tests/tests/tree.spec.ts
index 74097957..e847f5b4 100644
--- a/ui-tests/tests/tree.spec.ts
+++ b/ui-tests/tests/tree.spec.ts
@@ -8,7 +8,7 @@ test.describe('Tree UI test', () => {
   test.beforeEach(async ({ page, request }) => {
     page.setViewportSize({ width: 1920, height: 1080 });
     page.on('console', message => {
-      console.log('ERROR IN THE PAGE', message.text());
+      console.log('CONSOLE MSG', message.text());
       if (message.type() === 'error') {
         errors += 1;
       }
diff --git a/ui-tests/tests/ui.spec.ts b/ui-tests/tests/ui.spec.ts
index 675e8661..82c44ae9 100644
--- a/ui-tests/tests/ui.spec.ts
+++ b/ui-tests/tests/ui.spec.ts
@@ -14,7 +14,7 @@ test.describe('UI Test', () => {
       const logs: string[] = [];
 
       page.on('console', message => {
-        console.log('ERROR IN THE PAGE', message.text());
+        console.log('CONSOLE MSG', message.text());
         logs.push(message.text());
       });