<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_h011fb47qs88rle5i6kfba50cr, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

p {
  for (S listName, keysListName : mechMap("List => Mandatory keys list")) {
    print("Checking: " + listName + " / " + keysListName);
    L<S> mandatory = mL(keysListName);
    SS entries = mechMap(listName);
    L<S> missing = listMinusSet(keys(entries), mandatory);
    if (empty(missing)) continue;
    printAsciiHeading("Missing keys in: " + listName);
    pnl(missing);
  }
}