How To Fix RP663 - Do not enter the special character & twice

RP663 - Overview

• Message type: E = Error

• Message class: RP - Error Messages for Infotype Module Pools

• Message number: 663

• Message text: Do not enter the special character & twice

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 RP663 - Do not enter the special character & twice ?

  The SAP error message RP663 "Do not enter the special character & twice" typically occurs in the context of payroll processing or when entering data in certain fields that do not allow the use of special characters in a specific manner. The ampersand (&) is often used as a placeholder or a special character in SAP systems, and entering it more than once can lead to confusion or errors in processing.
  
  Cause:
  
  Data Entry Error: The most common cause of this error is that the user has inadvertently entered the ampersand character (&) more than once in a field where it is not allowed.
  Field Restrictions: Certain fields in SAP have restrictions on the types of characters that can be entered, and the system is designed to prevent invalid entries that could lead to processing errors.
  
  Configuration Issues: In some cases, the error may arise from specific configurations in the payroll or data entry