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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_nun17316adsbd2njtv8anje8v8, 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 />
svoid setOneLineFileInfoField(File f, S field, O value) {
  File infoFile = associatedInfosFile(f);
  lines = loadTextFile(infoFile);
  S newLine = value == null ? field + ": " + str(value);
  S line = firstStartingWithIC(lines, field + ": ");
  if (eq(line, newLine)) ret;
  saveTextFile(infoFile, lines(replaceOrAdd(lines, line, newLine)));
}