SAP Message 5C804 - Error when creating an account

Diagnosis
An error has occurred while creating an account for the currentpersonnel number.
The function module HR_CH_PK_CREATE_ACCOUNT delivered error code &V1&.
This means:
1 Error with start/end/lock date
2 Account already exists
3 DB error when creating an entry in account directory
4 Error when evaluating feature CHPKN
5 Error when reading the number range according to feature CHPKN
6 Authorization error for account number

System Response
The account and belonging postings were not created.

Procedure
Check the error requirement with the above entered code.