Message type: E = Error
Message class:  HRBASSI -  
Message number: 009
Message text: REFERENCE - mandatory entry
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The SAP error message HRBASSI009, which states "REFERENCE - mandatory entry," typically occurs in the context of HR (Human Resources) processes, particularly when dealing with infotypes or data entries that require a reference field to be filled in.
Cause: The error is triggered when a mandatory field, often labeled as "REFERENCE," is not filled out during data entry. This can happen in various scenarios, such as: When creating or updating employee records. When processing payroll or benefits information. When entering data into specific infotypes that require a reference to another object (like a position, job, or organizational unit).
Solution: To resolve the HRBASSI009 error, follow these steps: Identify the Infotype: Determine which infotype you are working with when the error occurs. This will help you understand the context of the mandatory field. Locate the Reference Field: Look for the field labeled "REFERENCE" or similar in the data entry screen. This field may be a dropdown or a text field
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