# ERR\_PROJECT\_UNKNOWN\_PROJECT\_KEY: Unknown project key[¶](https://doc.dataiku.com/dss/latest/troubleshooting/errors/ERR_PROJECT_UNKNOWN_PROJECT_KEY.html#err-project-unknown-project-key-unknown-project-key "Permalink to this headline")

The specified project key does not correspond to any existing project. This typically happens when:

* the specified project has been deleted

* the current project has been imported from another DSS instance, and the current DSS instance does not contain the specified project

## Remediation[¶](https://doc.dataiku.com/dss/latest/troubleshooting/errors/ERR_PROJECT_UNKNOWN_PROJECT_KEY.html#remediation "Permalink to this headline")

You can remove or edit the item that is referring to the unknown project.
