fix: purchase order and quotation creation
diff --git a/erpnext/buying/doctype/supplier_quotation/supplier_quotation.js b/erpnext/buying/doctype/supplier_quotation/supplier_quotation.js
index abb5702..2016a69 100644
--- a/erpnext/buying/doctype/supplier_quotation/supplier_quotation.js
+++ b/erpnext/buying/doctype/supplier_quotation/supplier_quotation.js
@@ -22,9 +22,9 @@
 			this.frm.set_value("valid_till", frappe.datetime.add_months(this.frm.doc.transaction_date, 1));
 		}
 		if (this.frm.doc.docstatus === 1) {
-			this.frm.add_custom_button(__("Purchase Order"), this.make_purchase_order, __("Create"));
+			this.frm.add_custom_button(__("Purchase Order"), this.make_purchase_order.bind(this), __("Create"));
 			this.frm.page.set_inner_btn_group_as_primary(__("Create"));
-			this.frm.add_custom_button(__("Quotation"), this.make_quotation, __("Create"));
+			this.frm.add_custom_button(__("Quotation"), this.make_quotation.bind(this), __("Create"));
 		} else if (this.frm.doc.docstatus === 0) {
 			this.frm.add_custom_button(
 				__("Material Request"),