[fix] setup lang in patch
diff --git a/erpnext/patches/v11_0/create_department_records_for_each_company.py b/erpnext/patches/v11_0/create_department_records_for_each_company.py
index da97476..c03cf98 100644
--- a/erpnext/patches/v11_0/create_department_records_for_each_company.py
+++ b/erpnext/patches/v11_0/create_department_records_for_each_company.py
@@ -3,6 +3,8 @@
 from frappe.utils.nestedset import rebuild_tree
 
 def execute():
+	frappe.local.lang = frappe.db.get_default("lang") or 'en'
+
 	for doctype in ['department', 'leave_period', 'staffing_plan', 'job_opening', 'payroll_entry']:
 		frappe.reload_doc("hr", "doctype", doctype)
 
@@ -37,6 +39,8 @@
 
 	update_instructors(comp_dict)
 
+	frappe.local.lang = 'en'
+
 def update_records(doctype, comp_dict):
 	when_then = []
 	for company in comp_dict:
diff --git a/erpnext/patches/v11_0/update_department_lft_rgt.py b/erpnext/patches/v11_0/update_department_lft_rgt.py
index 0cb9aec..5a8837e 100644
--- a/erpnext/patches/v11_0/update_department_lft_rgt.py
+++ b/erpnext/patches/v11_0/update_department_lft_rgt.py
@@ -10,7 +10,7 @@
 			'doctype': 'Department',
 			'department_name': _('All Departments'),
 			'is_group': 1
-		}).insert(ignore_permissions=True)
+		}).insert(ignore_permissions=True, ignore_mandatory=True)
 
 	frappe.db.sql("""update `tabDepartment` set parent_department = '{0}'
 		where is_group = 0""".format(_('All Departments')))