commit 3eccb84eaa4240c84049447440041b5c5992bb41
author Pranav Nachanekar <pranav@Pranavs-MacBook-Pro.local> Mon Sep 23 14:23:04 2019 +0530
committer Pranav Nachanekar <pranav@Pranavs-MacBook-Pro.local> Mon Sep 23 14:25:42 2019 +0530
tree 40a6250de77f6840228679fdf498eefb1c132bcb
parent b6b27d9256be2c3d72522c6baf647fcac1fd0bfd

Fixed update method

erpnext/crm/doctype/appointment/appointment.py

diff --git a/erpnext/crm/doctype/appointment/appointment.py b/erpnext/crm/doctype/appointment/appointment.py
index 219f931..95c7f35 100644
--- a/erpnext/crm/doctype/appointment/appointment.py
+++ b/erpnext/crm/doctype/appointment/appointment.py
@@ -47,8 +47,10 @@
 							subject=_('Appointment Confirmation'))
 			frappe.msgprint('Please check your email to confirm the appointment')
 
-	def on_update():
+	def on_update(self):
 		# Sync Calednar
+		if not self.calendar_event:
+			return
 		cal_event = frappe.get_doc('Event',self.calendar_event)
 		cal_event.starts_on = self.scheduled_time
 		cal_event.save()