downgrade Helmet to 2.3.0 according to the following temporary solution provided here Information security with HelmetJS #lesson-2 - #4 by ganeshh123 by ganeshh123 which worked for me.
downgrade Helmet to 2.3.0 according to the following temporary solution provided here Information security with HelmetJS #lesson-2 - #4 by ganeshh123 by ganeshh123 which worked for me.