How To Fix /PF1/MSG_CONV_XML137 - Only one occurrence of '&' is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_CONV_XML -

• Message number: 137

• Message text: Only one occurrence of '&' is allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_CONV_XML137 - Only one occurrence of '&' is allowed ?

  The SAP error message /PF1/MSG_CONV_XML137: Only one occurrence of '&' is allowed typically occurs when there is an issue with the XML data being processed, particularly when the XML contains an invalid character sequence. In XML, the ampersand (&) is a special character used to denote the beginning of an entity reference. If an ampersand is not followed by a valid entity name or if it appears in a context where it is not allowed, this error can be triggered.
  
  Cause:
  
  Invalid XML Format: The XML data being processed contains an ampersand (&) that is not properly encoded. For example, if you have a string like A & B, it should be encoded as A & B in XML.
  Multiple Ampersands: The error message indicates that there is more than one occurrence of the ampersand in a context where only one is allowed, or that it is not properly formatted.
  Data Source Issues: The