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

SAP Error Message - Details

• Message type: E = Error

• Message class: K/ -

• Message number: 091

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

Self-Explanatory Message

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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  Inconsistent Data: There may be inconsistencies in the data that the derivation rule relies on, such as invalid or outdated entries.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 version of SAP being used.
  
  Solutions:
  
  Check Configuration: Review the configuration of the derivation rule in the SAP system. Ensure that all settings are correct and that the rule is properly defined.
  Validate Master Data: Ensure that all necessary master data is available and correctly maintained. Check for any missing or incorrect entries related to cost centers or internal orders.
  Data Consistency Check: Run consistency checks on the relevant data to identify and correct any inconsistencies.
  Review Authorizations: Ensure that the user executing the derivation rule has the necessary authorizations to perform the action.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address known issues related to this error.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as KEDR (for derivation rules) or KOB1 (for order-related postings) to investigate further.
  SAP Documentation: Refer to the official SAP documentation for detailed information on derivation rules and their configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP Basis or technical team for further investigation or to contact SAP support for assistance.