Message type: E = Error
Message class:  HRPBSHU - HR Public sector (H) developments 
Message number: 099
Message text: Interntal error - please report to SAP
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 HRPBSHU099, which states "Internal error - please report to SAP," is a generic error message that indicates an unexpected issue has occurred within the SAP system, particularly in the Human Resources (HR) module. This type of error can arise from various underlying causes, and it typically requires further investigation to determine the specific issue. Possible Causes:
Configuration Issues: Incorrect or incomplete configuration settings in the HR module can lead to internal errors. Data Inconsistencies: Corrupted or inconsistent data in the HR tables may trigger this error. Custom Code: If there are custom enhancements or modifications in the HR module, they may not be functioning correctly. System Bugs: There may be bugs in the SAP software that are causing the error, especially if you are using an older version of the software. Authorization Issues: Lack of proper authorizations for certain actions can sometimes lead to unexpected errors. Performance Issues: System performance problems, such as
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPBSHU090 Feature error: &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPBSHU089 Valid amount: &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPBSHU100 Termination type code not filled in for previous state
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPBSHU101 There is a required state, thus termination type code is mandatory
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.