diff --git a/frappe/public/js/frappe/form/multi_select_dialog.js b/frappe/public/js/frappe/form/multi_select_dialog.js
index bb1398e1c1..ba522a4085 100644
--- a/frappe/public/js/frappe/form/multi_select_dialog.js
+++ b/frappe/public/js/frappe/form/multi_select_dialog.js
@@ -319,7 +319,7 @@ frappe.ui.form.MultiSelectDialog = class MultiSelectDialog {
 	}
 
 	get_parent_name_of_selected_children() {
-		if (!this.child_datatable.datamanager.rows.length) return [];
+		if (!this.child_datatable || !this.child_datatable.datamanager.rows.length) return [];
 
 		let parent_names = this.child_datatable.rowmanager.checkMap.reduce((parent_names, checked, index) => {
 			if (checked == 1) {
@@ -333,7 +333,7 @@ frappe.ui.form.MultiSelectDialog = class MultiSelectDialog {
 	}
 
 	get_selected_child_names() {
-		if (!this.child_datatable.datamanager.rows.length) return [];
+		if (!this.child_datatable || !this.child_datatable.datamanager.rows.length) return [];
 
 		let checked_names = this.child_datatable.rowmanager.checkMap.reduce((checked_names, checked, index) => {
 			if (checked == 1) {