Merge pull request #25582 from deepeshgarg007/this_variable

fix: function call to update payment schedule labels
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index f91b432..0af8da7 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1379,12 +1379,12 @@
 
 	update_payment_schedule_grid_labels: function(company_currency) {
 		const me = this;
-		if (this.frm.fields_dict["payment_schedule"]) {
+		if (this.frm.doc.payment_schedule && this.frm.doc.payment_schedule.length > 0) {
 			this.frm.set_currency_labels(["base_payment_amount", "base_outstanding", "base_paid_amount"],
 				company_currency, "payment_schedule");
 			this.frm.set_currency_labels(["payment_amount", "outstanding", "paid_amount"],
 				this.frm.doc.currency, "payment_schedule");
-			
+
 			var schedule_grid = this.frm.fields_dict["payment_schedule"].grid;
 			$.each(["base_payment_amount", "base_outstanding", "base_paid_amount"], function(i, fname) {
 				if (frappe.meta.get_docfield(schedule_grid.doctype, fname))
@@ -2034,7 +2034,7 @@
 					if(r.message && !r.exc) {
 						me.frm.set_value("payment_schedule", r.message);
 						const company_currency = me.get_company_currency();
-						this.update_payment_schedule_grid_labels(company_currency);
+						me.update_payment_schedule_grid_labels(company_currency);
 					}
 				}
 			})