How To Fix KN400 - Incomplete data input

SAP Error Message - Details

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 400

• Message text: Incomplete data input

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KN400 - Incomplete data input ?

  The SAP error message KN400 "Incomplete data input" typically occurs when there is missing or incomplete information in the customer master data that is required for processing. This error can arise in various transactions related to customer data, such as creating or updating customer records.
  Causes of KN400 Error
  
  
  Missing Mandatory Fields: Certain fields in the customer master data are mandatory and must be filled out. If any of these fields are left blank, the system will trigger this error.
  
  
  Incorrect Data Format: If the data entered does not conform to the expected format (e.g., incorrect date format, invalid characters), it can lead to this error.
  
  
  Incomplete Data in Specific Views: Customer master data is organized into different views (e.g., General Data, Company Code Data, Sales Area Data). If any of these views are incomplete, it can cause the error.
  
  
  Missing Customization: If the system is not properly configured to handle certain customer data requirements,