How To Fix 5N851 - Invalid combination; see field documentation

5N851 - Overview

• Message type: E = Error

• Message class: 5N - HR NL: Error Messages for Infotype Module Pools (NL)

• Message number: 851

• Message text: Invalid combination; see field documentation

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 5N851 - Invalid combination; see field documentation ?

  The SAP error message 5N851 ("Invalid combination; see field documentation") typically occurs when there is an inconsistency or invalid combination of data entered in a transaction or during data entry in SAP. This error is often related to master data, configuration settings, or specific fields that do not align with the expected values defined in the system.
  Causes:
  
  Invalid Data Entry: The user may have entered a combination of values in fields that are not allowed or do not match the predefined rules in the system.
  Missing Master Data: Required master data (like materials, vendors, or customers) may not be set up correctly or may be missing.
  
  Configuration Issues: The system configuration may not support the combination of values being used. This could be due to settings in customizing or in the relevant modules (like MM, SD, etc.).
  Field Dependencies: Certain fields may have dependencies on others, and if those dependencies are not met, the