How To Fix RP901 - Combination entries not possible

RP901 - Overview

• Message type: E = Error

• Message class: RP - Error Messages for Infotype Module Pools

• Message number: 901

• Message text: Combination entries not possible

Self-Explanatory Message

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.

What else can you do?

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RP901 - Combination entries not possible ?

  The SAP error message RP901, which states "Combination entries not possible," typically occurs in the context of payroll processing. This error indicates that there is an issue with the combination of wage types or other payroll-related entries that are not compatible with each other based on the configuration in the system.
  Causes of RP901 Error
  
  
  Incompatible Wage Types: The error often arises when there are wage types that cannot be combined due to configuration settings. For example, certain wage types may be mutually exclusive or may not be allowed to be processed together.
  
  
  Incorrect Payroll Configuration: The payroll schema or rules may not be set up correctly, leading to conflicts in how wage types are processed.
  
  
  Missing or Incorrect Master Data: Employee master data or infotypes may be incomplete or incorrectly configured, leading to issues during payroll processing.
  
  
  Custom Enhancements: If there are custom enhancements or modifications in the payroll process, they may inadvertently cause