How To Fix >2304 - Program error; payment card number &1 contains wildcard characters

>2304 - Overview

• Message type: E = Error

• Message class: >2 -

• Message number: 304

• Message text: Program error; payment card number &1 contains wildcard characters

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

>2304 - Details

• The SAP error message 2304 indicates that there is a problem with the payment card number being processed. Specifically, it states that the payment card number contains wildcard characters, which are not allowed. Wildcard characters are typically used in search queries to represent one or more characters, but they are not valid in the context of payment card numbers.
  
  Cause:
  The error is caused by the presence of wildcard characters (such as *, %, or ?) in the payment card number field. This can happen due to:
  
  Data Entry Error: A user may have mistakenly entered a wildcard character instead of a valid digit.
  Data Import Issues: If payment card numbers are being imported from an external system, the data may not have been properly validated, leading to the inclusion of invalid characters.
  System Configuration: There may be a misconfiguration in the system that allows or does not properly validate the input for payment card