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:
    0.0000     358624   1. {main}() /volume2/web/divinglog/divesite.php:0
    0.0017     428432   2. Divesite->get_divesite_overview() /volume2/web/divinglog/divesite.php:56
    0.0019     429872   3. Divesite->get_divesite_overview_table($sql = 'SELECT  DL_Place.ID AS ID, \n        DL_Logbook.Country AS Country, \n        DL_Place.Place AS Place, \n        DL_Logbook.City AS City,\n        DL_Place.MaxDepth AS MaxDepth\nFROM DL_Place INNER JOIN DL_Logbook \n        ON DL_Place.ID = DL_Logbook.PlaceID\nGROUP BY ID\n\n') /volume2/web/divinglog/classes.inc.php:2275
    0.0019     430704   4. parse_mysql_query($filename = '', $sql_query = 'SELECT  DL_Place.ID AS ID, \n        DL_Logbook.Country AS Country, \n        DL_Place.Place AS Place, \n        DL_Logbook.City AS City,\n        DL_Place.MaxDepth AS MaxDepth\nFROM DL_Place INNER JOIN DL_Logbook \n        ON DL_Place.ID = DL_Logbook.PlaceID\nGROUP BY ID\n\n ORDER BY Place', $debug = ???) /volume2/web/divinglog/classes.inc.php:2313
    0.0023     431584   5. wpdb->get_results($query = 'SELECT  DL_Place.ID AS ID, \n        DL_Logbook.Country AS Country, \n        DL_Place.Place AS Place, \n        DL_Logbook.City AS City,\n        DL_Place.MaxDepth AS MaxDepth\nFROM DL_Place INNER JOIN DL_Logbook \n        ON DL_Place.ID = DL_Logbook.PlaceID\nGROUP BY ID\n\n ORDER BY Place', $output = 'ARRAY_A') /volume2/web/divinglog/includes/misc.inc.php:186
    0.0023     431968   6. wpdb->query($query = 'SELECT  DL_Place.ID AS ID, \n        DL_Logbook.Country AS Country, \n        DL_Place.Place AS Place, \n        DL_Logbook.City AS City,\n        DL_Place.MaxDepth AS MaxDepth\nFROM DL_Place INNER JOIN DL_Logbook \n        ON DL_Place.ID = DL_Logbook.PlaceID\nGROUP BY ID\n\n ORDER BY Place') /volume2/web/divinglog/includes/wp-db.php:2614
    0.0025     432048   7. wpdb->print_error($str = ???) /volume2/web/divinglog/includes/wp-db.php:1916