[Fix] Deferred account must be liability account (#14612)

erpnext/accounts/doctype/sales_invoice/sales_invoice.js

@@ -548,6 +548,16 @@ frappe.ui.form.on('Sales Invoice', {
 			}
 		}
 
+		frm.fields_dict['items'].grid.get_field('deferred_revenue_account').get_query = function(doc) {
+			return {
+				filters: {
+					'root_type': 'Liability',
+					'company': doc.company,
+					"is_group": 0
+				}
+			}
+		}
+
 		frm.set_query('company_address', function(doc) {
 			if(!doc.company) {
 				frappe.throw(_('Please set Company'));

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -990,6 +990,7 @@ def booked_deferred_revenue():
 	# check for the sales invoice for which GL entries has to be done
 	invoices = frappe.db.sql_list('''
 		select parent from `tabSales Invoice Item` where service_start_date<=%s and service_end_date>=%s
+		and enable_deferred_revenue = 1 and docstatus = 1
 	''', (today(), add_months(today(), -1)))
 
 	# ToDo also find the list on the basic of the GL entry, and make another list