Message type: E = Error
Message class:  HRPSGB_HER - HR PS GB Higher Education Messages (USS, HESA etc) 
Message number: 123
Message text: Pers.no &1 was returned with a different staff ID in the previous year
Personnel number &V1& has staff ID &V2&, but was returned last year
with staff ID &V3&.
The data can be interfaced.
Please check this year's data and previous year's data.
The HESA staff ID cannot change. Either last year's staff ID was
entered incorrectly or the staff ID was changed in the system.
The staff ID that was send in the previous year is stored in infotype
HESA Submitted Data (0616).
It is possible that the previous year's data was entered manually into
the system, because it was created in a different system that year
("data migration").
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.
The SAP error message HRPSGB_HER123 indicates that there is a discrepancy in the staff ID associated with a personnel number (Pers.no) when comparing data from the current year to the previous year. This typically occurs in the context of HR data management, particularly when dealing with employee records and their historical data.
Cause: Data Migration Issues: If there has been a migration of data from one system to another, it is possible that the staff ID was not correctly mapped or transferred. Manual Changes: Changes made manually to the personnel records or staff IDs can lead to inconsistencies, especially if the changes were not properly documented or communicated. Duplicate Personnel Numbers: If there are duplicate personnel numbers in the system, it can lead to confusion regarding which staff ID is associated with which record. Incorrect Data Entry: Errors during data entry can result in mismatched staff IDs for the same personnel number across different years.
Solution: Data
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPSGB_HER122 Staff ID not unique, also used by pers.no. &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_HER121 No "Date entered current service HEI" for pers.no. &1
What causes this issue?  No date for <ZK>Date entered current service in current HEI</> could be determined for personnel number &V1&a...
HRPSGB_HER124 Contract for pers.no. &1 (&2) with &3% actual acad. FTE is not returned
What causes this issue?  The contract for personnel number &V1& is not reported, because none of the five reasons of the decision tree were ap...
HRPSGB_HER125 Contract for pers.no. &1 from &2 is not returned because pr.emp.func.= &3
What causes this issue?  The contract is not returned because the primary employment function is not teaching, research or teaching and research.Syste...
Click on this link to search all SAP messages.