Update update_missing_salary_component_type.py

erpnext/patches/v7_1/update_missing_salary_component_type.py

@@ -9,6 +9,8 @@ earnings or deductions in existing salary slips
 '''
 
 def execute():
+	frappe.reload_doc("accounts", "doctype", "salary_component_account")
+	
 	for s in frappe.db.sql('''select name, type, salary_component_abbr from `tabSalary Component` 
 			where ifnull(type, "")="" or ifnull(salary_component_abbr, "") = ""''', as_dict=1):
 			
@@ -43,4 +45,4 @@ def execute():
 				
 			component.salary_component_abbr = abbr
 			
-		component.save()
+		component.save()