How To Fix W_CB064 - Enter key field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: W_CB -

• Message number: 064

• Message text: Enter key field &1

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 W_CB064 - Enter key field &1 ?

  Certainly! Here's a detailed explanation for the SAP error message W_CB064: Enter key field &1:
  
  SAP Message: W_CB064 - Enter key field &1
  
  Cause:
  This warning message appears when a required key field (primary key or a mandatory field that uniquely identifies a record) has not been entered in a transaction or report. The system expects this field to be filled to proceed with the operation, such as searching, updating, or displaying data.
  The placeholder &1 in the message is replaced by the actual field name that is missing.
  
  Explanation:
  
  In SAP, certain fields are designated as key fields because they uniquely identify records in a table or dataset.
  When you perform operations like data retrieval, update, or deletion, these key fields must be specified.
  If you leave such a key field empty, the system cannot uniquely identify the record(s) to process, so it issues this warning.
  
  
  Solution:
  
  Enter the required key field value in the input screen or selection criteria.
  Check the field name indicated by &1 in the message and provide a valid value.
  If you are unsure about the correct value, consult the relevant master data or documentation.
  If the field is optional in your business context, verify if the program or transaction allows processing without it; otherwise, it must be filled.
  
  
  Additional Information:
  
  This message is a warning (W), not an error, so the system may allow you to continue, but it is generally recommended to provide the key field to avoid incorrect or incomplete processing.
  The message is commonly encountered in transactions related to master data maintenance, reporting, or data selection screens.
  If you are a developer or customizing consultant, ensure that the screen or selection screen is designed properly to enforce mandatory fields.
  You can check the message class CB in transaction SE91 to see the message text and related messages.
  
  
  Example:
  If the message says:
  
  W_CB064 Enter key field MATNR
  
  It means the material number (MATNR) must be entered before proceeding.
  
  If you need help with a specific transaction or scenario where this message appears, please provide more details!