Merge pull request #29362 from nextchamp-saqib/fix-cancel-jv

fix: cannot cancel jv after migrating from v12
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index e21671c..44c74b1 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -330,3 +330,4 @@
 erpnext.patches.v13_0.update_exchange_rate_settings
 erpnext.patches.v14_0.rearrange_company_fields
 erpnext.patches.v14_0.update_leave_notification_template
+erpnext.patches.v13_0.delete_bank_reconciliation_detail
diff --git a/erpnext/patches/v13_0/delete_bank_reconciliation_detail.py b/erpnext/patches/v13_0/delete_bank_reconciliation_detail.py
new file mode 100644
index 0000000..75953b0
--- /dev/null
+++ b/erpnext/patches/v13_0/delete_bank_reconciliation_detail.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2019, Frappe and Contributors
+# License: GNU General Public License v3. See license.txt
+
+
+import frappe
+
+
+def execute():
+
+	if frappe.db.exists('DocType', 'Bank Reconciliation Detail') and \
+		frappe.db.exists('DocType', 'Bank Clearance Detail'):
+
+		frappe.delete_doc("DocType", 'Bank Reconciliation Detail', force=1)