title: Caused by: java.lang.NumberFormatException: For input string: "." in SIKULI
body: <p>I was trying to run my code then add sikuli in my selenium project in order to click the allow in flash player settings. </p>
  
  <p><a href="https://i.stack.imgur.com/zyTR7.png" rel="nofollow noreferrer">I need to click the allow in flash player settings.</a></p>
  
  <pre><code>Screen s = new Screen();
  Pattern allowImg = new Pattern("allow.PNG");
  s.click(allowImg);
  s.click(allowImg);
  </code></pre>
  
  <p>Caused by:</p>
  
  <pre><code>java.lang.NumberFormatException: For input string: "."
      at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
      at java.base/java.lang.Integer.parseInt(Integer.java:638)
      at java.base/java.lang.Integer.parseInt(Integer.java:770)
      at org.sikuli.basics.Settings.&lt;clinit&gt;(Settings.java:123)
  </code></pre>