Failed to place the orderBy Rahul Sharma / Home › Forums › General Questions › Failed to place the order Failed to place the order Author Posts Rahul Sharma March 28, 2026 at 3:11 pm failed – invalid Base64 value in Basic Authorization header I received this warning in my Zerodha account. Author Posts Viewing 0 reply threads Join the Discussion Log in to reply to this topic and help others. Log In / Register