Message type: E = Error
Message class:  HRPAYSI_EBO - eBOL 
Message number: 020
Message text: Select one line for manual identification
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 HRPAYSI_EBO020 with the description "Select one line for manual identification" typically occurs in the context of payroll processing or when dealing with employee data in the SAP HR module. This error indicates that the system expects the user to select a specific line item (such as a payroll result or an employee record) for further processing or manual intervention, but no line has been selected.
Cause: No Selection Made: The user has not selected any line item in the relevant screen or report. Multiple Entries: The system may require a single entry to be selected for processing, but multiple entries are present. User Interface Issue: Sometimes, the user interface may not allow for proper selection due to layout or display issues.
Solution: Select a Line Item: Ensure that you select a single line item from the list presented in the screen. This is often done by clicking on the checkbox or the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPAYSI_EBO019 No suitable personal number was found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPAYSI_EBO018 Manual selection of personal number is required
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPAYSI_EBO021 Do not select any line, all records in the batch will be processed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPAYSI_EBO022 You cannot modify finished records
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.