How To Fix IAC028 - Customer number &1 does not exist

IAC028 - Overview

• Message type: E = Error

• Message class: IAC - Internet Application Components

• Message number: 028

• Message text: Customer number &1 does not exist

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 IAC028 - Customer number &1 does not exist ?

  The SAP error message IAC028, which states "Customer number &1 does not exist," typically occurs in the context of the SAP system when a transaction or process is trying to reference a customer number that is not found in the system. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Non-Existent Customer: The customer number entered does not exist in the database. This could be due to a typo or an incorrect number being used.
  Data Deletion: The customer record may have been deleted or archived, making it unavailable for the current transaction.
  Incorrect Company Code: The customer number may exist, but it is not assigned to the company code being used in the transaction.
  Master Data Issues: There may be issues with the customer master data, such as it not being created or activated properly.
  
  
  Solution:
  
  Verify Customer Number: Double-check the customer number for any typographical errors. Ensure that the correct number is