How To Fix K/091 - Error upgrading derivation rule &1 (&2)

K/091 - Overview

• Message type: E = Error

• Message class: K/ -

• Message number: 091

• Message text: Error upgrading derivation rule &1 (&2)

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 K/091 - Error upgrading derivation rule &1 (&2) ?

  The SAP error message K/091, which states "Error upgrading derivation rule &1 (&2)," typically occurs in the context of the Controlling (CO) module, particularly when dealing with cost center accounting or internal orders. This error indicates that there is an issue with the derivation rule that is being processed, which is used to determine how costs are allocated or derived in the system.
  Causes:
  
  Incorrect Configuration: The derivation rule may not be correctly configured, leading to issues when the system attempts to upgrade or apply it.
  Missing Master Data: Required master data (such as cost centers, internal orders, or other relevant objects) may be missing or incorrectly set up.
  Inconsistent Data: There may be inconsistencies in the data that the derivation rule relies on, such as invalid or outdated entries.
  Authorization Issues: The user may not have the necessary authorizations to execute the derivation rule.
  System Bugs: There could be bugs or issues in the specific