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    <p>Dear Ming,</p>
    <p>Is "Processing" core plugin enabled? Can you check please?</p>
    <p>You can list all available processing algorithms with in the
      Python console [1]:<br>
    </p>
    <pre><span class="gp"></span><span class="k">for</span> <span class="n">alg</span> <span class="ow">in</span> <span class="n">QgsApplication</span><span class="o">.</span><span class="n">processingRegistry</span><span class="p">()</span><span class="o">.</span><span class="n">algorithms</span><span class="p">():</span>
<span class="go">        print(alg.id(), "->", alg.displayName())</span>

</pre>
    <div class="moz-cite-prefix">What is your output? Is native:dissolve
      listed or not?</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">[1]
<a class="moz-txt-link-freetext" href="https://docs.qgis.org/testing/en/docs/user_manual/processing/console.html">https://docs.qgis.org/testing/en/docs/user_manual/processing/console.html</a></div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">Regards,</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">Jorge Gustavo<br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">On 03/02/20 16:27, ming han wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAD+uAWjgN7jVNgxgZ1qbYbSn3nW6pz+4O1L_yuAVxA4qH3Qcgg@mail.gmail.com">
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      <div dir="ltr">Hi everyone
        <div><br>
        </div>
        <div>   I am using Qgis 3.10. I could run
          processing.run('gdal:cliprasterbymasklayer',..) </div>
        <div>   but got an algorithm not found error when I try to run
          processing.run("native:dissolve",...) </div>
        <div><br>
        </div>
        <div>   Is anyone know what happened to this script? </div>
        <div><br>
        </div>
        <div> Thanks </div>
        <div>Ming </div>
        <div><br>
        </div>
      </div>
      <br>
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