diff --git a/src/components/shared_ui/modal/modal.tsx b/src/components/shared_ui/modal/modal.tsx
index bcd8e902..691b01d5 100644
--- a/src/components/shared_ui/modal/modal.tsx
+++ b/src/components/shared_ui/modal/modal.tsx
@@ -117,7 +117,12 @@ const ModalElement = ({
         onMount?.();
 
         return () => {
-            local_modal_root_ref?.current?.removeChild?.(local_el_ref.current);
+            const parent_element = local_modal_root_ref?.current;
+            const child_element = local_el_ref?.current;
+
+            if (parent_element && child_element && parent_element?.contains(child_element)) {
+                parent_element?.removeChild(child_element);
+            }
             onUnmount?.();
         };
         // eslint-disable-next-line react-hooks/exhaustive-deps
diff --git a/src/constants/load-modal.ts b/src/constants/load-modal.ts
index f0ca5ca3..ebdfd31d 100644
--- a/src/constants/load-modal.ts
+++ b/src/constants/load-modal.ts
@@ -5,7 +5,9 @@ export const tabs_title = Object.freeze({
 });
 
 export const clearInjectionDiv = (el_ref?: HTMLElement) => {
-    if (el_ref && el_ref.getElementsByClassName('injectionDiv').length > 1) {
-        el_ref.removeChild(el_ref.getElementsByClassName('injectionDiv')[0]);
+    const parent_element = el_ref;
+    const child_element = el_ref?.getElementsByClassName('injectionDiv');
+    if (parent_element && child_element && child_element?.length > 1) {
+        parent_element?.removeChild(child_element[0]);
     }
 };
diff --git a/src/external/bot-skeleton/scratch/backward-compatibility.js b/src/external/bot-skeleton/scratch/backward-compatibility.js
index a5a48219..985ce18d 100644
--- a/src/external/bot-skeleton/scratch/backward-compatibility.js
+++ b/src/external/bot-skeleton/scratch/backward-compatibility.js
@@ -48,8 +48,12 @@ export default class BlockConversion {
 
                                 value_input.connection.connect(value_block.outputConnection);
                             });
+                            const parent_element = child_node.parentNode;
+                            const child_element = child_node;
 
-                            child_node.parentNode.removeChild(child_node);
+                            if (parent_element && child_element && parent_element?.contains(child_element)) {
+                                parent_element?.removeChild(child_element);
+                            }
                         });
                 }
             }
@@ -135,8 +139,12 @@ export default class BlockConversion {
 
                                 value_input.connection.connect(converted_block.outputConnection);
                             });
+                            const parent_element = el_value?.parentNode;
+                            const child_element = el_value;
 
-                            el_value.parentNode.removeChild(el_value);
+                            if (parent_element && child_element && parent_element?.contains(child_element)) {
+                                el_value?.parentNode?.removeChild(el_value);
+                            }
                         }
                     });
                 }
diff --git a/src/external/bot-skeleton/scratch/goog.js b/src/external/bot-skeleton/scratch/goog.js
index 0a45cfe8..dabb64a9 100644
--- a/src/external/bot-skeleton/scratch/goog.js
+++ b/src/external/bot-skeleton/scratch/goog.js
@@ -31,8 +31,11 @@ goog.isNumber = function (e) {
 goog.dom = {};
 
 goog.dom.removeNode = function (node) {
-    if (node && node.parentNode) {
-        node.parentNode.removeChild(node);
+    const parent_element = node.parentNode;
+    const child_element = node;
+
+    if (child_element && parent_element && parent_element?.contains(child_element)) {
+        parent_element?.removeChild(child_element);
     }
 };
 
diff --git a/src/pages/tutorials/tutorials-tab-mobile.tsx b/src/pages/tutorials/tutorials-tab-mobile.tsx
index 0ecc77c6..7dd23a08 100644
--- a/src/pages/tutorials/tutorials-tab-mobile.tsx
+++ b/src/pages/tutorials/tutorials-tab-mobile.tsx
@@ -68,7 +68,12 @@ const TutorialsTabMobile = observer(({ tutorial_tabs, prev_active_tutorials }: T
         const selectElement = document.getElementById('dt_components_select-native_select-tag') as HTMLSelectElement;
 
         if (selectElement) {
-            selectElement.removeChild(selectElement?.options[3]);
+            const parent_element = selectElement;
+            const child_element = selectElement?.options?.[3];
+
+            if (parent_element && child_element && parent_element?.contains(child_element)) {
+                parent_element?.removeChild(child_element);
+            }
         }
     }, []);
 
diff --git a/src/stores/google-drive-store.ts b/src/stores/google-drive-store.ts
index f5bf65bc..d14a7320 100644
--- a/src/stores/google-drive-store.ts
+++ b/src/stores/google-drive-store.ts
@@ -188,6 +188,11 @@ export default class GoogleDriveStore {
             if ((err as TErrorWithStatus)?.status === 401) {
                 await this.signOut();
                 const picker = document.getElementsByClassName('picker-dialog-content')[0] as HTMLElement;
+                const parent_element = picker?.parentNode;
+                const child_element = picker;
+                if (child_element && parent_element && parent_element?.contains(child_element)) {
+                    parent_element?.removeChild(child_element);
+                }
                 picker?.parentNode?.removeChild(picker);
                 const pickerBackground = document.getElementsByClassName(
                     'picker-dialog-bg'
diff --git a/src/utils/download.ts b/src/utils/download.ts
index 886a6a1b..a86e1192 100644
--- a/src/utils/download.ts
+++ b/src/utils/download.ts
@@ -92,5 +92,9 @@ export const downloadFile = (file_name: string, content: string) => {
     link.setAttribute('download', `${file_name} ${getCurrentDateTimeLocale()}.csv`);
     document.body.appendChild(link);
     link.click();
-    link.parentNode?.removeChild(link);
+    const parent_element = link.parentNode;
+    const child_element = link;
+    if (parent_element && child_element && parent_element?.contains(child_element)) {
+        parent_element?.removeChild(child_element);
+    }
 };