Binary XML could not be converted to XML 1.0: &.

What causes this issue?

An XSTRING is to be displayed in the XML browser. The flag for Binary
XML (BXML?) was found at the start of the file. In order to display
Binary XML in the XML browser, the XML content must first be transformed
into the format XML 1.0. An error occurred during this transformation..

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

The XSTRING probably contains invalid characters or is truncated. Use a
different view to analyze the file.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.