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Fatal error: Uncaught Error: Non-static method api_customer_area::available_languages() cannot be called statically in /var/www/vhosts/grafxsoftware.com/httpdocs/custom/customers/index.php:87 Stack trace: #0 {main} thrown in /var/www/vhosts/grafxsoftware.com/httpdocs/custom/customers/index.php on line 87