Fatal error: Uncaught Error: Call to undefined function wp_load_translations_early() in /volume2/web/divinglog/includes/wp-db.php on line 1407

Error: Call to undefined function wp_load_translations_early() in /volume2/web/divinglog/includes/wp-db.php on line 1407

Call Stack:
    0.0001     358672   1. {main}() /volume2/web/divinglog/index.php:0
    0.0038     509952   2. Divelog->set_main_dive_details() /volume2/web/divinglog/index.php:51
    0.0040     518440   3. parse_mysql_query($filename = 'oneshop.sql', $sql_query = ???, $debug = ???) /volume2/web/divinglog/classes.inc.php:952
    0.0043     518520   4. wpdb->get_results($query = 'SELECT\t\t*\nFROM\t\tDL_Shop\nWHERE\t\tID = \'2\'\nLIMIT\t\t1\n', $output = 'ARRAY_A') /volume2/web/divinglog/includes/misc.inc.php:186
    0.0043     518536   5. wpdb->query($query = 'SELECT\t\t*\nFROM\t\tDL_Shop\nWHERE\t\tID = \'2\'\nLIMIT\t\t1\n') /volume2/web/divinglog/includes/wp-db.php:2614
    0.0045     449304   6. wpdb->print_error($str = ???) /volume2/web/divinglog/includes/wp-db.php:1916