added ignore_permission in Lead for creating Event
diff --git a/erpnext/utilities/transaction_base.py b/erpnext/utilities/transaction_base.py
index f680bcb..4ba1627 100644
--- a/erpnext/utilities/transaction_base.py
+++ b/erpnext/utilities/transaction_base.py
@@ -53,7 +53,7 @@
 					"person": self.contact_by
 				})
 
-			event_doclist.insert()
+			event_doclist.insert(ignore_permissions=True)
 
 	def validate_uom_is_integer(self, uom_field, qty_fields):
 		validate_uom_is_integer(self, uom_field, qty_fields)