fix: validate theme_scss attribute (#23467)
#22851
diff --git a/erpnext/public/js/website_theme.js b/erpnext/public/js/website_theme.js
index 84de2f5..0009cac 100644
--- a/erpnext/public/js/website_theme.js
+++ b/erpnext/public/js/website_theme.js
@@ -4,7 +4,7 @@
frappe.ui.form.on('Website Theme', {
validate(frm) {
let theme_scss = frm.doc.theme_scss;
- if (theme_scss.includes('frappe/public/scss/website')
+ if (theme_scss && theme_scss.includes('frappe/public/scss/website')
&& !theme_scss.includes('erpnext/public/scss/website')
) {
frm.set_value('theme_scss',