How To Fix CF020 - Control key & is not defined (check entry)

SAP Error Message - Details

• Message type: E = Error

• Message class: CF - PRT management messages

• Message number: 020

• Message text: Control key & is not defined (check entry)

Self-Explanatory Message

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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 CF020 - Control key & is not defined (check entry) ?

  The SAP error message CF020, which states "Control key & is not defined (check entry)," typically occurs when you are trying to use a control key in a transaction or configuration that has not been defined in the system. Control keys are used in various SAP modules, particularly in Production Planning (PP) and Controlling (CO), to determine how operations are processed.
  Cause:
  
  Undefined Control Key: The control key you are trying to use does not exist in the system.
  Incorrect Entry: There may be a typo or incorrect entry in the control key field.
  Missing Configuration: The control key may not have been configured properly in the system.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain control keys.
  
  Solution:
  
  
  Check Control Key Definition:
  
  Go to the transaction code OPL8 (for PP) or OKB9 (for CO) to check if the control key is defined.
  If it is not defined, you will need to create it using the appropriate configuration transaction.
  
  
  
  Verify Entry:
  
  Double-check the control key you entered for any typos or errors.
  Ensure that you are using the correct control key for the specific process you are working on.
  
  
  
  Create or Modify Control Key:
  
  If the control key is missing, you can create a new control key by using the transaction code OPL8 for PP or OKB9 for CO.
  Fill in the necessary details and save the configuration.
  
  
  
  Check Authorizations:
  
  Ensure that your user profile has the necessary authorizations to access and use the control key.
  If you suspect authorization issues, contact your SAP security administrator.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for more information on control keys and their configurations.
  
  
  
  Related Information:
  
  Control Key Usage: Control keys are used to define how operations are executed in production orders, such as whether they are relevant for costing, whether they allow for confirmations, etc.
  Common Control Keys: Some common control keys include "PP01" (Standard), "PP02" (Rework), and "PP03" (Scrap).
  Transaction Codes: Familiarize yourself with relevant transaction codes for configuration and troubleshooting, such as OPL8, OKB9, CO01, CO02, etc.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to the specific control key you are trying to use.