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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_4uggvjjnke42fbi1mb86jtckhp, 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 />
static byte[] rawImageFromImageServer(S md5) ctex {
  assertTrue(isMD5(md5));
  
  File dir = getCacheProgramDir("Images-by-MD5");
  File file = new File(dir, md5 + ".png");
  if (file.exists() && file.length() != 0) pcall {
    ret ImageIO.read(file);
  }

  byte[] data = loadBinaryPage(imageServerLink(md5));
  assertTrue(isPNG(data));
  ret data;
}