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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_8049m9g2lqjsp5ilp0c2grjrtl, 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 />
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<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 />
// returns number of steps
static long stepAll(Steppable s) {
  long steps = 0;
  if (s != null) {
    var pingSource = pingSource();
    while true {
      ping(pingSource);
      if (s.step())
        ++steps;
      else
        break;
    }
  }
  ret steps;
}