How To Fix HRSEN00121 - Date of birth missing in infotype for person in personnel number &1

HRSEN00121 - Overview

• Message type: E = Error

• Message class: HRSEN00 - Calculation of Time Specifications

• Message number: 121

• Message text: Date of birth missing in infotype for person in personnel number &1

Self-Explanatory Message

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HRSEN00121 - Details

• The SAP error message HRSEN00121 indicates that the date of birth is missing for a specific personnel number in the relevant infotype. This error typically occurs when trying to process employee data in the SAP Human Capital Management (HCM) module, particularly when the system requires the date of birth for certain operations, such as hiring, payroll processing, or reporting.
  
  Cause:
  The primary cause of this error is that the date of birth field is not filled in the relevant infotype (usually Infotype 0002 - Personal Data) for the specified personnel number. This can happen due to:
  
  Incomplete Data Entry: The employee's date of birth was not entered during the initial data entry.
  Data Migration Issues: If data was migrated from another system, the date of birth may not have been transferred correctly.
  Infotype Deletion: The infotype containing the date of birth may have been deleted or not created properly.
  
  
  Solution:
  To resolve the HRSEN00121 error, follow these