fix patch
diff --git a/erpnext/patches/v8_10/add_due_date_to_gle.py b/erpnext/patches/v8_10/add_due_date_to_gle.py
index 2a088bd..047c883 100644
--- a/erpnext/patches/v8_10/add_due_date_to_gle.py
+++ b/erpnext/patches/v8_10/add_due_date_to_gle.py
@@ -3,4 +3,5 @@
 
 
 def execute():
-	frappe.db.sql("ALTER TABLE `tabGL Entry` ADD COLUMN `due_date` DATE DEFAULT NULL")
+	if not frappe.db.has_column("GL Entry", "due_date"):
+		frappe.db.sql("ALTER TABLE `tabGL Entry` ADD COLUMN `due_date` DATE DEFAULT NULL")