How To Fix 5G157 - Default DOB(01/01/1901) is used for age calculation

5G157 - Overview

• Message type: E = Error

• Message class: 5G - HR: Messages for Britain

• Message number: 157

• Message text: Default DOB(01/01/1901) is used for age calculation

What causes this issue?

The NINO for this employee is unknown and the date of birth stored in
infotype Personal Details(0002) is the default value 01.01.1901.

System Response

The NI category is determined by the employee's age which the system
calculates from the date of birth stored in the employee's Infotype 0002
record.
The NI category determined by the system may not be accurate because the
default date of birth 01.01.1901 has been used to calculate the age.

How to fix this error?

Ignore the warning if you wish to continue processing the selected NI
category you have allocated this employee.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

5G157 - Details

• The SAP error message 5G157, which states "Default DOB (01/01/1901) is used for age calculation," typically occurs in the context of personnel administration or employee data management within the SAP system. This message indicates that the system is using a default date of birth (DOB) of January 1, 1901, for age calculations because a valid DOB has not been provided for a specific employee or individual.
  
  Cause:
  
  Missing Date of Birth: The primary cause of this error is that the employee's date of birth has not been entered in the system. As a result, SAP defaults to the placeholder date of January 1, 1901.
  Data Entry Error: There may have been an oversight during data entry, leading to the omission of the DOB.
  Data Migration Issues: If data was migrated from another system, the DOB may not have been transferred correctly.
  
  
  Solution:
  
  
  Enter a Valid Date of Birth:
  
  Navigate to the employee's master data in the SAP