chore: Validate for deferred revenue invoices
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 11cce8f..e796c99 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -568,6 +568,17 @@
needs_repost = 1
self.validate_accounts()
+
+ # validate if deferred revenue is enabled for any item
+ # Don't allow to update the invoice if deferred revenue is enabled
+ for item in self.get("items"):
+ if item.enable_deferred_revenue:
+ frappe.throw(
+ _(
+ "Deferred Revenue is enabled for item {0}. You cannot update the invoice after submission."
+ ).format(item.item_code)
+ )
+
self.db_set("repost_required", needs_repost)
def check_if_child_table_updated(