From 4b20e852eafca088398751354f0967f7f7b9f9a7 Mon Sep 17 00:00:00 2001
From: Deepesh Garg <deepeshgarg6@gmail.com>
Date: Tue, 10 Mar 2020 10:36:05 +0530
Subject: [PATCH] fix: Get invoice details only if invoice is selected

---
 erpnext/accounts/doctype/c_form/c_form.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/erpnext/accounts/doctype/c_form/c_form.js b/erpnext/accounts/doctype/c_form/c_form.js
index 3d0fc0a42c..846408ff24 100644
--- a/erpnext/accounts/doctype/c_form/c_form.js
+++ b/erpnext/accounts/doctype/c_form/c_form.js
@@ -32,10 +32,12 @@ frappe.ui.form.on('C-Form Invoice Detail', {
 	invoice_no(frm, cdt, cdn) {
 		let d = frappe.get_doc(cdt, cdn);
 
-		frm.call('get_invoice_details', {
-			invoice_no: d.invoice_no
-		}).then(r => {
-			frappe.model.set_value(cdt, cdn, r.message);
-		});
+		if (d.invoice_no) {
+			frm.call('get_invoice_details', {
+				invoice_no: d.invoice_no
+			}).then(r => {
+				frappe.model.set_value(cdt, cdn, r.message);
+			});
+		}
 	}
 });