Akaunting/resources/lang/en-US/errors.php

<?php

return [

    'title' => [
        '403'       => 'Oops! Access Forbidden',
        '404'       => 'Oops! Page not found',
        '500'       => 'Oops! Something went wrong',
    ],

    'header' => [
        '403'       => '403 Forbidden',
        '404'       => '404 Not Found',
        '500'       => '500 Internal Server Error',
    ],

    'message' => [
        '403'       => 'You can not access this page.',
        '404'       => 'We could not find the page you were looking for.',
        '500'       => 'We\'ll work on fixing this right away.',
        'record'    => 'We could not find the record you were looking for.',
        'amount'    => 'This page contains invalid amounts! Please, contact the system administrator.',
    ],

];