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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_tu1lekvcpp5co9phf32os6tsdj, 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 />
// defaults to .png
static File saveImageWithCounter(File dir, S baseName, BufferedImage img) {
  if (!isImageFileName(baseName)) baseName += ".png";
  File f = makeFileNameUnique_beforeExtension_startWith1_noDot(newFile(dir, subPath));
  saveImage(f, img);
  infoBox("Saved image " + appendBracketed(img.getWidth(null) + "*" + img.getHeight(null)) + ": " + fileInfo(f));
  ret f;
}