Update production_plan.js
diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.js b/erpnext/manufacturing/doctype/production_plan/production_plan.js
index 056f600..450aa04 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.js
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.js
@@ -323,7 +323,7 @@
 
 		frappe.prompt(fields, (row) => {
 			let get_template_url = 'erpnext.manufacturing.doctype.production_plan.production_plan.download_raw_materials';
-			open_url_post(frappe.request.url, { cmd: get_template_url, doc: frm.doc, warehouses:row.warehouses });
+			open_url_post(frappe.request.url, { cmd: get_template_url, doc: frm.doc, warehouses: row.warehouses });
 		}, __('Select Warehouses to get Stock for Materials Planning'), __('Get Stock'));
 	},