(node:52553) UnhandledPromiseRejectionWarning: Unhandled promise | rejection (rejection id: 1): ReferenceError: user is not defined | (node:52553) [DEP0018] DeprecationWarning: Unhandled promise > rejections are deprecated. In the future, promise rejections that are > not handled will terminate the Node.js process with a non-zero exit > code.

[Aishwaryak97]

what should be done to this to overcome