diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 3e31d5e..7d6eba8 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -279,7 +279,7 @@
 erpnext.patches.v7_0.update_mins_to_first_response
 erpnext.patches.v6_20x.repost_valuation_rate_for_negative_inventory
 erpnext.patches.v7_0.system_settings_setup_complete
-erpnext.patches.v7_0.set_naming_series_for_timesheet
+erpnext.patches.v7_0.set_naming_series_for_timesheet #2016-07-27
 execute:frappe.reload_doc('projects', 'doctype', 'project')
 execute:frappe.reload_doc('projects', 'doctype', 'project_user')
 erpnext.patches.v7_0.convert_timelogbatch_to_timesheet
diff --git a/erpnext/patches/v7_0/calculate_total_costing_amount.py b/erpnext/patches/v7_0/calculate_total_costing_amount.py
index 3163517..4da839f 100644
--- a/erpnext/patches/v7_0/calculate_total_costing_amount.py
+++ b/erpnext/patches/v7_0/calculate_total_costing_amount.py
@@ -11,5 +11,6 @@
 			ts.update_cost()
 			ts.calculate_total_amounts()
 			ts.flags.ignore_validate = True
+			ts.flags.ignore_mandatory = True
 			ts.flags.ignore_validate_update_after_submit = True
 			ts.save()