# OH-Aras-1000

When you encounter the error code **OH-Aras-1000**, the following message appears:

> **Aras Error Code**: incompatible\_hash\_use\_md5\
> **Aras Error Message**: Incompatible password hash algorithm. Please use MD5 algorithm.

For probable cause and resolution, refer [Incompatible password hash algorithm](/opstech-docs/help-center-index/troubleshooting-index/errors-index/common-error-solutions/incompatible-password-hash-algorithm.md).


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