About the reference to entity XX must end with the ';' delimiter

Some of you might be familiar with the error" The reference to entityXxMust end with the ';' delimiter "While adding or altering any piece of code to your xml templates. Even
I get that error sometimes when I try to alter or add some codes to myBlogger Blog's
Templates (XML ).

Mostly these kind of errors occur while we add anyThird-Party banner or widgetsTo our XML templates. We can easily rectify that error by making a slight alteration in the piece of code we add!

Just Replace" & "With" & Amp; "In your HTML/JavaScript code!

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This error was encountered in programming, which was delayed for a long time. I checked it ~ Reprinted to record the results.