How To Fix /PF1/MSG_CONV_XML128 - Tag '&' contains invalid format

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_CONV_XML -

• Message number: 128

• Message text: Tag '&' contains invalid format

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 /PF1/MSG_CONV_XML128 - Tag '&' contains invalid format ?

  The SAP error message /PF1/MSG_CONV_XML128 Tag '&' contains invalid format typically occurs when there is an issue with the XML data being processed in an SAP system. This error indicates that there is a problem with the formatting of a tag in the XML, specifically that the tag contains an invalid character or format.
  
  Cause:
  
  Invalid Characters: The presence of special characters (like &, <, >, etc.) in the XML tags or values that are not properly escaped.
  Malformed XML: The XML structure may not be well-formed, meaning it does not adhere to XML syntax rules.
  Encoding Issues: The character encoding of the XML data may not match the expected encoding, leading to misinterpretation of characters.
  Improper Tag Usage: Tags may be incorrectly defined or used, leading to confusion in parsing the XML.
  
  
  Solution:
  
  Check XML Structure: Validate the XML structure to ensure it is well-formed. You can use XML validation tools or libraries to check for