How To Fix KH859 - Four-character constant "&"

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 859

• Message text: Four-character constant "&"

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KH859 - Four-character constant "&" ?

  The SAP error message KH859, which states "Four-character constant '&'", typically indicates that there is an issue with a four-character field in your SAP system. This error often arises in the context of configuration or data entry where a four-character code is expected, but the input does not meet the required format or is invalid.
  Cause:
  
  
  Invalid Input: The most common cause is that the input provided does not conform to the expected four-character format. This could be due to:
  
  Entering fewer or more than four characters.
  Using invalid characters (e.g., special characters or spaces).
  Leaving the field blank.
  
  
  
  Configuration Issues: There may be a configuration issue in the system where the expected four-character constant is not defined or is incorrectly set up.
  
  
  Data Integrity Issues: If the data being processed is coming from a source that does not enforce the four-character rule, it may lead to this error.
  
  
  Solution:
  
  
  Check Input: Ensure that the input you are providing is exactly four characters long and consists of valid characters. Remove any leading or trailing spaces.
  
  
  Review Configuration: If you are working in a configuration area, check the settings to ensure that the four-character constants are correctly defined. This may involve:
  
  Navigating to the relevant configuration transaction (e.g., SPRO).
  Verifying that all required constants are set up properly.
  
  
  
  Data Validation: If the error occurs during data processing, validate the source data to ensure it adheres to the four-character requirement. This may involve cleaning or transforming the data before it is processed.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific module you are working with to understand the expected values for the four-character constant.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary) or SE37 (Function Module).
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue causing the KH859 error in your SAP system.