How To Fix KO500 - Field name &1 not known in table AUFK or view COAS

SAP Error Message - Details

• Message type: E = Error

• Message class: KO - Master data for CO orders

• Message number: 500

• Message text: Field name &1 not known in table AUFK or view COAS

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KO500 - Field name &1 not known in table AUFK or view COAS ?

  The SAP error message KO500, which states "Field name &1 not known in table AUFK or view COAS," typically occurs when there is an issue with the data being processed in the context of controlling (CO) or production order management. This error indicates that the system is trying to access a field in the AUFK table (which contains order master data) or the COAS view (which is related to order status) that does not exist or is not recognized.
  Causes:
  
  Field Name Typo: The field name specified in the error message may be misspelled or incorrectly referenced in the program or transaction.
  Custom Development: If there are custom programs, reports, or enhancements that reference fields in AUFK or COAS, they may be using outdated or incorrect field names.
  Data Dictionary Changes: Changes in the data dictionary (like field additions or deletions) may have occurred, leading to the field being unavailable.
  Version Compatibility: If you are using a version of SAP that does not support certain fields or if there are inconsistencies between different SAP systems (e.g., development vs. production), this error may arise.
  
  Solutions:
  
  Check Field Name: Verify the field name mentioned in the error message. Ensure that it is spelled correctly and exists in the AUFK table or COAS view.
  Review Custom Code: If the error is occurring in a custom program or enhancement, review the code to ensure that it is referencing the correct fields. Update the code if necessary.
  Data Dictionary Check: Use transaction SE11 to check the structure of the AUFK table and the COAS view. Confirm that the field in question exists and is correctly defined.
  SAP Notes: Check for any relevant SAP Notes that may address this issue. Sometimes, SAP releases notes that provide fixes or workarounds for known issues.
  Consult Documentation: Review the documentation for the specific SAP module you are working with to ensure that you are using the correct fields and structures.
  System Upgrade: If the issue is related to version compatibility, consider upgrading your SAP system to a version that supports the required fields.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the issue further.
  Debugging: If you have access to debugging tools, you can set breakpoints in the relevant programs to see where the error is triggered and analyze the data being processed.
  SAP Community: Engage with the SAP Community or forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or a consultant for further assistance.