Joomla! Template TM Effortite - Item Support

Install the template but send me this error message when loading the home page

Fatal error: Call to a member function Header () on a non-object on line 26 in /home/inftel/public_html/facturin/templates/tm_effortite/index.php
I did clear the cache. But the problem continues.

What is the support email?
Can I change the slider module for another in the TM Effortit template?

What would you recommend?
Item Name:
TM Effortite

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