How To Fix UJJ_EXCEPTION128 - The additional header &1 is invalid because of invalid characters.

SAP Error Message - Details

• Message type: E = Error

• Message class: UJJ_EXCEPTION - BPC: Message Class for UJJ Exception

• Message number: 128

• Message text: The additional header &1 is invalid because of invalid 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJJ_EXCEPTION128 - The additional header &1 is invalid because of invalid characters. ?

  The SAP error message UJJ_EXCEPTION128 indicates that there is an issue with the additional header in a document or transaction due to the presence of invalid characters. This error typically arises when data being processed contains characters that are not allowed or expected in the specific field or context.
  
  Cause:
  
  Invalid Characters: The additional header may contain special characters, control characters, or other non-printable characters that are not permitted.
  Data Format Issues: The data being inputted may not conform to the expected format, such as incorrect encoding or unexpected delimiters.
  
  Configuration Issues: There may be settings in the SAP system that define what constitutes valid characters for certain fields, and the input does not comply with these settings.
  
  
  Solution:
  
  Check Input Data: Review the data being entered in the additional header. Ensure that it only contains valid characters (typically alphanumeric characters, spaces, and certain punctuation marks).
  Data Cleansing: If the data is being imported or transferred from