Message type: E = Error
Message class:  HRPAYDEPBSZV - PS: Notification Program - Supplementary Pension Institutes 
Message number: 261
Message text: Not possible to add subperiod &1 to main period &2
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 HRPAYDEPBSZV261 indicates that there is an issue with adding a sub-period to a main period in the payroll process. This error typically arises in the context of payroll processing in SAP HR (Human Resources) when there is a mismatch or inconsistency in the payroll periods.
Cause: The error can be caused by several factors, including: Period Configuration: The sub-period you are trying to add may not be configured correctly in the system. This could be due to incorrect settings in the payroll calendar or period definitions. Payroll Status: The main period may already be closed or finalized, preventing any changes or additions to it. Data Inconsistencies: There may be inconsistencies in the payroll data that prevent the addition of the sub-period. Authorization Issues: The user may not have the necessary authorizations to make changes to payroll periods.
Solution: To resolve the error, you can take the following steps: Check Period Configuration: Verify the configuration of the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPAYDEPBSZV260 Transfer relevance in event &1 of record type &2 is incorrect
What causes this issue?  The transfer relevance is an internal administration indicator in the SP notification program 2006. If it is not set correctl...
HRPAYDEPBSZV259 Event relevant for notification is unknown
What causes this issue?  The notification factory knows how to convert an event relevant for notification from a database entry to a program-internal ...
HRPAYDEPBSZV262 VERNR &1 is incomplete; only registrations can be created (no &2)
What causes this issue?  The supplementary pension institute (SPI) cannot process the notification correctly without the complete insurance number. Th...
HRPAYDEPBSZV263 Conversion from insurance feature 48 to 47 is not unique
What causes this issue?  This scenario is not currently modeled in the notification program.System Response  The system issues an error message and wi...
Click on this link to search all SAP messages.