[Fix] POS not loading if pos profile not defined (#11778)

diff --git a/erpnext/selling/page/point_of_sale/point_of_sale.js b/erpnext/selling/page/point_of_sale/point_of_sale.js
index ee64e65..4c8ba08 100644
--- a/erpnext/selling/page/point_of_sale/point_of_sale.js
+++ b/erpnext/selling/page/point_of_sale/point_of_sale.js
@@ -376,7 +376,7 @@
 					this.frm.script_manager.trigger("update_stock");
 					frappe.model.set_default_values(this.frm.doc);
 					this.frm.cscript.calculate_taxes_and_totals();
-					this.frm.meta.default_print_format = r.message.print_format || 'POS Invoice';
+					this.frm.meta.default_print_format = r.message ? r.message.print_format : 'POS Invoice';
 				}
 
 				resolve();