How To Fix WER_CUST009 - &1 is invalid.

WER_CUST009 - Overview

• Message type: E = Error

• Message class: WER_CUST -

• Message number: 009

• Message text: &1 is invalid.

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 WER_CUST009 - &1 is invalid. ?

  The SAP error message:
  WER_CUST009 &1 is invalid.
  typically occurs when a user inputs an invalid or unrecognized value for a field that expects a specific customer-related code or identifier.
  
  
  Cause:
  
  The placeholder &1 in the message is replaced by the actual invalid value entered by the user.
  This error usually arises when the system expects a valid customer number, customer group, or a custom-defined customer-related code, but the entered value does not exist in the relevant master data or configuration table.
  It can also occur if the value is not maintained or activated in the system, or if there is a mismatch in the expected format or domain of the input.
  
  
  Common Scenarios:
  
  Entering a customer number that does not exist in the customer master (KNA1).
  Using an invalid customer group or classification code.
  Inputting a value in a custom field that is validated against a specific table or domain, and the value is not found.
  Data migration or interface