How To Fix 88556 - Declaration key & contains illegal characters

SAP Error Message - Details

• Message type: E = Error

• Message class: 88 - REA Processing

• Message number: 556

• Message text: Declaration key & contains illegal 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 88556 - Declaration key & contains illegal characters ?

  The SAP error message 88556, which states "Declaration key & contains illegal characters," typically occurs when there are invalid characters in the declaration key that you are trying to use in your SAP system. This error is often encountered in the context of tax declarations, financial reporting, or similar processes where specific keys or codes are required.
  Cause:
  
  Illegal Characters: The declaration key may contain characters that are not allowed, such as special characters, spaces, or punctuation marks.
  Incorrect Format: The declaration key may not conform to the expected format or length defined in the system.
  Configuration Issues: There may be issues with the configuration of the declaration keys in the system settings.
  
  Solution:
  
  Check the Declaration Key: Review the declaration key you are using and ensure it only contains valid characters. Typically, valid characters include alphanumeric characters (A-Z, 0-9) and possibly underscores (_).
  Correct Format: Ensure that the declaration key adheres to the required format and length as specified in your SAP configuration.
  Update Configuration: If you have access to the configuration settings, check the settings for declaration keys in the relevant module (e.g., Financial Accounting, Tax Management) and ensure that they are correctly defined.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on valid declaration keys for your version of SAP.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to declaration keys, such as OB40 (for defining tax codes) or other relevant configuration transactions.
  User Roles: Ensure that you have the necessary permissions to create or modify declaration keys in the system.
  
  By following these steps, you should be able to identify and resolve the issue related to the SAP error message 88556.