ENFOLD upgrade to php 7.1

I’m trying to upgrade to php 7.1

here is the error on ENFOLD which returns the server to me

5637 | ERROR | Using ‘break’ outside of a loop or switch structure is invalid and will throw a fatal error since PHP 7.0
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FILE: /home/guest242/public_html/cesarihome.it/wp-content/themes/enfold/config-templatebuilder/avia-template-builder/php/external/JSqueeze.php
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FOUND 3 ERRORS AFFECTING 3 LINES
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409 | ERROR | preg_replace() – /e modifier is deprecated since PHP 5.5 and removed since PHP 7.0
494 | ERROR | preg_replace() – /e modifier is deprecated since PHP 5.5 and removed since PHP 7.0
510 | ERROR | preg_replace() – /e modifier is deprecated since PHP 5.5 and removed since PHP 7.0
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