fix: additional query cols for sales register
diff --git a/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py b/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py
index cf5294e..8b929bf 100644
--- a/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py
+++ b/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py
@@ -335,7 +335,6 @@
 		),
 		filters,
 		as_dict=1,
-		debug=True,
 	)
 
 
diff --git a/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py b/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
index e6b5640..1e7ac33 100644
--- a/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
+++ b/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
@@ -381,7 +381,8 @@
 
 def get_items(filters, additional_query_columns, additional_conditions=None):
 	conditions = get_conditions(filters, additional_conditions)
-	additional_query_columns = ",".join(additional_query_columns)
+	if additional_query_columns:
+		additional_query_columns = "," + ",".join(additional_query_columns)
 	return frappe.db.sql(
 		"""
 		select
@@ -401,7 +402,7 @@
 			`tabSales Invoice Item`.stock_qty, `tabSales Invoice Item`.stock_uom,
 			`tabSales Invoice Item`.base_net_rate, `tabSales Invoice Item`.base_net_amount,
 			`tabSales Invoice`.customer_name, `tabSales Invoice`.customer_group, `tabSales Invoice Item`.so_detail,
-			`tabSales Invoice`.update_stock, `tabSales Invoice Item`.uom, `tabSales Invoice Item`.qty, {0}
+			`tabSales Invoice`.update_stock, `tabSales Invoice Item`.uom, `tabSales Invoice Item`.qty {0}
 		from `tabSales Invoice`, `tabSales Invoice Item`, `tabItem`
 		where `tabSales Invoice`.name = `tabSales Invoice Item`.parent and
 			`tabItem`.name = `tabSales Invoice Item`.`item_code` and