SpanTag invalid

I'm creating automation tests for a web service page/app.  The app works, and the automation test works as well.  The only warning I get is an invalid SpanTag.  The spantab is a tab.  It could not get a valid element rectangle.
Disregarding the automation test, and in terms of future use of this tag; what are the implications.
Should I ask the developer to fix this spantag?
SpanTag - in valid element rectangle
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Dave BaldwinFixer of ProblemsCommented:
SpanTag and spantab are not valid HTML elements.  ??  What is {SpanTag:} being used for?
Scott Fell, EE MVEDeveloper & EE ModeratorCommented:
From googleing your response, it looks the the error is in your testing software.  There is a span tag in html that looks like <span class="something">text</span>.  But looking at this seems to mirror your issue.  

I would ask the developer. I would also paste your rendered html to the validator and make sure you have valid rendered html

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chimaAuthor Commented:
Thank you.  It did not occur to me that it could be a Ranorex code issue.  I'll look further in that direction.
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