If the above error message brought you here, let's go through the following troubleshooting steps.
Please note that removing the local files will permanently delete all your local Postman data. The resolution of this issue will depend on whether you have a Postman account registered or not.
1) Please head to https://go.postman.co/me and check that your data is synced to your Postman account.
- You don’t have any Postman account
and delete the files in both locations.
Rename the Postman file (i.e Postman.old)
Please follow the steps mentioned in this article here: Postman window is blank
Your app the logs - How to share app logs with Postman for debugging the issue