i am facing an error while integrating mongoose with elysia

error looks like this :

MongooseServerSelectionError:

1 | (function (...args) { super(...args); }) ^ MongooseServerSelectionError: Failed to connect code: "undefined" at new MongooseError (:1:32) at new MongooseServerSelectionError (:1:32) at _handleConnectionErrors (/home/jka_583/Projects/bun_project_1/backend/node_modules/mongoose/lib/connection.js:805:10) at /home/jka_583/Projects/bun_project_1/backend/node_modules/mongoose/lib/connection.js:780:10 at processTicksAndRejections (:61:76)

find a solution to this issue.....