As per below link 
http://localhost:8069/barcode/web/ 

Find Print button which is not working showing Access Rights Warning for all users.
Showing Below Odoo Warning

AccessError
The requested operation cannot be completed due to security restrictions. Please contact your system administrator.
(Document type: stock.picking.type, Operation: read)

Tried to give full access rights for admin user - for object stock.picking.type but still not working.