Getting Internal Server Error while deploying a nextjs application

13:20:12.860    Failed: an internal error occurred
13:20:12.860    Error: Failed to publish assets. For support, join our Discord (https://discord.gg/cloudflaredev) or create a ticket and reference the deployment ID: 66888a5a-921b-41c0-83e5-9993d50a6acc

13:20:08.053    ✨ Compiled Worker successfully
13:20:08.142    Found _routes.json in output directory. Uploading.
13:20:08.161    Validating asset output directory