New employee entry problem

when i want to entry a new employee then showing a message as

Duplicate Name

Employee HR-EMP-00004 already exists

please help me to solve this problem

Go to the series and update the series to the correct number:

https://docs.erpnext.com/docs/v13/user/manual/en/setting-up/articles/naming-series-current-value#2-error-due-series-number

NOTE: if you’re using v14, Naming Series is renamed to Document Naming Settings:

https://docs.erpnext.com/docs/v14/user/manual/en/setting-up/settings/document-naming-settings