Message type: E = Error
Message class:  HRPSGB_HER - HR PS GB Higher Education Messages (USS, HESA etc) 
Message number: 051
Message text: Salary Calculation (PERNR &1): Indirect Evaluation Error
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message HRPSGB_HER051, which indicates an "Indirect Evaluation Error" during salary calculation for a specific personnel number (PERNR), typically arises in the context of the SAP Human Capital Management (HCM) module. This error can occur due to various reasons related to the configuration or data integrity within the system. Causes: Missing or Incorrect Master Data: The personnel number may have missing or incorrect master data, such as infotypes (e.g., IT0008 for Basic Pay, IT0014 for Recurring Payments/Deductions) that are required for salary calculation. Incorrect Configuration: There may be issues with the configuration of the payroll schema or rules that are used for salary calculation. This includes incorrect wage types or evaluation paths. Data Inconsistencies: Inconsistencies in the data, such as overlapping infotypes or incorrect time periods, can lead to evaluation errors. Authorization Issues: Sometimes, the user executing the payroll may not have the necessary authorizations to access certain data, leading to evaluation errors. Custom
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPSGB_HER050 Salary Calculation (PERNR &1): Wage Type &2 does not exist Table T511
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_HER049 Salary Calculation (PERNR &1): Infotype &2 Read Error on &3
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_HER052 Salary Calculation (PERNR &1): Internal Error
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPSGB_HER053 Processing Totals: Selected. &1 Rejected &2 (Rejected Customer Exit &3)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.