[fix] validate supplier invoice
- modified to check for the selected supplier only
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 1972cc9..4d58f98 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -628,10 +628,12 @@
pi = frappe.db.sql('''select name from `tabPurchase Invoice`
where
bill_no = %(bill_no)s
+ and supplier = %(supplier)s
and name != %(name)s
and docstatus < 2
and posting_date between %(year_start_date)s and %(year_end_date)s''', {
"bill_no": self.bill_no,
+ "supplier": self.supplier,
"name": self.name,
"year_start_date": fiscal_year.year_start_date,
"year_end_date": fiscal_year.year_end_date