# ERR\_SECURITY\_USER\_EXISTS: The requested user for creation already exists[¶](https://doc.dataiku.com/dss/latest/troubleshooting/errors/ERR_SECURITY_USER_EXISTS.html#err-security-user-exists-the-requested-user-for-creation-already-exists "Permalink to this headline")

When creating a user, an occurence of this error means that this username is already taken.

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

Choose another username for this user or use the existing user account.
