diff --git a/erpnext/demo/data/asset.json b/erpnext/demo/data/asset.json
index 8d76c0d..23029ca 100644
--- a/erpnext/demo/data/asset.json
+++ b/erpnext/demo/data/asset.json
@@ -3,42 +3,49 @@
 		"asset_name": "Macbook Pro - 1",
 		"item_code": "Computer",
 		"gross_purchase_amount": 100000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2017-01-02"
 	},
 	{
 		"asset_name": "Macbook Air - 1",
 		"item_code": "Computer",
 		"gross_purchase_amount": 60000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2017-10-02"
 	},
 	{
 		"asset_name": "Conferrence Table",
 		"item_code": "Table",
 		"gross_purchase_amount": 30000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2018-10-02"
 	},
 	{
 		"asset_name": "Lunch Table",
 		"item_code": "Table",
 		"gross_purchase_amount": 20000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2018-06-02"
 	},
 	{
 		"asset_name": "ERPNext",
 		"item_code": "ERP",
 		"gross_purchase_amount": 100000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2018-09-02"
 	},
 	{
 		"asset_name": "Chair 1",
 		"item_code": "Chair",
 		"gross_purchase_amount": 10000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2018-07-02"
 	},
 	{
 		"asset_name": "Chair 2",
 		"item_code": "Chair",
 		"gross_purchase_amount": 10000,
-		"asset_owner": "Company"
+		"asset_owner": "Company",
+		"available_for_use_date": "2018-07-02"
 	}
-]
\ No newline at end of file
+]
diff --git a/erpnext/demo/setup/manufacture.py b/erpnext/demo/setup/manufacture.py
index 4db510a..d384636 100644
--- a/erpnext/demo/setup/manufacture.py
+++ b/erpnext/demo/setup/manufacture.py
@@ -58,6 +58,7 @@
 		asset.set_missing_values()
 		asset.make_depreciation_schedule()
 		asset.flags.ignore_validate = True
+		asset.flags.ignore_mandatory = True
 		asset.save()
 		asset.submit()
 
@@ -66,7 +67,7 @@
 	for i in items:
 		item = frappe.new_doc('Item')
 		item.update(i)
-		if item.item_defaults[0].default_warehouse:
+		if hasattr(item, 'item_defaults') and item.item_defaults[0].default_warehouse:
 			item.item_defaults[0].company = data.get("Manufacturing").get('company_name')
 			warehouse = frappe.get_all('Warehouse', filters={'warehouse_name': item.item_defaults[0].default_warehouse}, limit=1)
 			if warehouse:
diff --git a/erpnext/hr/doctype/salary_structure/salary_structure.py b/erpnext/hr/doctype/salary_structure/salary_structure.py
index 12e3445..35df8df 100644
--- a/erpnext/hr/doctype/salary_structure/salary_structure.py
+++ b/erpnext/hr/doctype/salary_structure/salary_structure.py
@@ -40,7 +40,7 @@
 					flexi_amount += max_of_component
 			if have_a_flexi and self.max_benefits == 0:
 				frappe.throw(_("Max benefits should be greater than zero to despense flexi"))
-			if self.max_benefits > flexi_amount:
+			if have_a_flexi and self.max_benefits > flexi_amount:
 				frappe.throw(_("Total flexi component amount {0} should not be less \
 				than max benefits {1}").format(flexi_amount, self.max_benefits))
 		if not have_a_flexi and self.max_benefits > 0: