patch to set default value as 1
diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
index 3598052..c389b5c 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.json
@@ -201,6 +201,7 @@
"bold": 0,
"collapsible": 0,
"columns": 0,
+ "default": "1",
"fieldname": "unlink_payment_on_cancellation_of_invoice",
"fieldtype": "Check",
"hidden": 0,
@@ -234,7 +235,7 @@
"issingle": 1,
"istable": 0,
"max_attachments": 0,
- "modified": "2016-10-19 16:37:11.664552",
+ "modified": "2016-10-20 16:12:38.595075",
"modified_by": "Administrator",
"module": "Accounts",
"name": "Accounts Settings",
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 84312b8..7d599d7 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -339,4 +339,5 @@
erpnext.patches.v7_0.update_status_of_zero_amount_sales_order
erpnext.patches.v7_1.add_field_for_task_dependent
erpnext.patches.v7_0.repost_bin_qty_and_item_projected_qty
-erpnext.patches.v7_1.set_prefered_contact_email
\ No newline at end of file
+erpnext.patches.v7_1.set_prefered_contact_email
+execute:frappe.db.sql("update `tabSingles` set value = 1 where field = 'unlink_payment_on_cancellation_of_invoice' and doctype = 'Accounts Settings'")
\ No newline at end of file