diff --git a/erpnext/accounts/doctype/sales_invoice/pos.py b/erpnext/accounts/doctype/sales_invoice/pos.py
index d6cf120..4e4ad78 100644
--- a/erpnext/accounts/doctype/sales_invoice/pos.py
+++ b/erpnext/accounts/doctype/sales_invoice/pos.py
@@ -296,4 +296,3 @@
 		si_doc.docstatus = 0
 		si_doc.flags.ignore_mandatory = True
 		si_doc.insert()
-		frappe.log_error(frappe.get_traceback())
diff --git a/erpnext/projects/doctype/timesheet/timesheet.py b/erpnext/projects/doctype/timesheet/timesheet.py
index f853692..5cb0184 100644
--- a/erpnext/projects/doctype/timesheet/timesheet.py
+++ b/erpnext/projects/doctype/timesheet/timesheet.py
@@ -80,8 +80,8 @@
 
 	def set_dates(self):
 		if self.docstatus < 2 and self.time_logs:
-			start_date = min([d.from_time for d in self.time_logs])
-			end_date = max([d.to_time for d in self.time_logs])
+			start_date = min([getdate(d.from_time) for d in self.time_logs])
+			end_date = max([getdate(d.to_time) for d in self.time_logs])
 
 			if start_date and end_date:
 				self.start_date = getdate(start_date)