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Fatal error: Uncaught Error: Call to undefined function SiteGround_Optimizer\Helper\rest_get_url_prefix() in /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-content/plugins/sg-cachepress/core/Helper/Helper.php:184 Stack trace: #0 /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-content/plugins/sg-cachepress/core/Helper/Helper.php(166): SiteGround_Optimizer\Helper\Helper::is_rest() #1 /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-includes/plugin.php(496): SiteGround_Optimizer\Helper\Helper->hide_warnings_in_rest_api('') #2 /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-settings.php(353): do_action('init') #3 /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-config.php(80): require_once('/home/customer/...') #4 /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-load.php(37): require_once('/home/customer/...') #5 /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-blog-head in /home/customer/www/sandbox.awriterundertheinfluence.com/public_html/wp-content/plugins/sg-cachepress/core/Helper/Helper.php on line 184