fix: filter only unique values for tree options
diff --git a/erpnext/public/js/utils.js b/erpnext/public/js/utils.js
index 64085a8..389e25e 100755
--- a/erpnext/public/js/utils.js
+++ b/erpnext/public/js/utils.js
@@ -255,11 +255,16 @@
 		// get valid options for tree based on user permission & locals dict
 		let unscrub_option = frappe.model.unscrub(option);
 		let user_permission = frappe.defaults.get_user_permissions();
+		let options;
+
 		if(user_permission && user_permission[unscrub_option]) {
-			return user_permission[unscrub_option].map(perm => perm.doc);
+			options = user_permission[unscrub_option].map(perm => perm.doc);
 		} else {
-			return $.map(locals[`:${unscrub_option}`], function(c) { return c.name; }).sort();
+			options = $.map(locals[`:${unscrub_option}`], function(c) { return c.name; }).sort();
 		}
+
+		// filter unique values, as there may be multiple user permissions for any value
+		return options.filter((value, index, self) => self.indexOf(value) === index);
 	},
 	get_tree_default: function(option) {
 		// set default for a field based on user permission