<div dir="ltr">This might be an issue with not having the proper paths in QGIS settings.  Have you followed this section from the install readme?<div><br></div><div>





<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica"><span class="gmail-s1" style="text-decoration-line:underline">External Program Paths</span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica;min-height:17px"><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">QGIS 3 does not find external tools needed for Processing.<span class="gmail-Apple-converted-space">  </span>Some configuration options are missing.<span class="gmail-Apple-converted-space">  </span>A workaround is to use QGIS custom variables.<span class="gmail-Apple-converted-space">  </span>Open QGIS Preferences <span class="gmail-s2" style="font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal;font-family:"Lucida Grande"">→</span> System.</p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica;min-height:17px"><br></p>
<p class="gmail-p3" style="margin:0px 0px 0px 17.7px;text-indent:0.2px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">- Under the <b>Environment</b> section, turn on <span class="gmail-s1" style="text-decoration-line:underline">Use Custom Variables</span>.</p>
<p class="gmail-p3" style="margin:0px 0px 0px 17.7px;text-indent:0.2px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">- Add (+) a variable</p>
<p class="gmail-p3" style="margin:0px 0px 0px 17.7px;text-indent:0.2px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">- Select <span class="gmail-s1" style="text-decoration-line:underline">Prepend</span> from the <b>Apply</b> popup</p>
<p class="gmail-p3" style="margin:0px 0px 0px 17.7px;text-indent:0.2px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">- Enter <span class="gmail-s1" style="text-decoration-line:underline">PATH</span> for the variable</p>
<p class="gmail-p3" style="margin:0px 0px 0px 17.7px;text-indent:0.2px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">- For the <b>Value</b> enter:</p>
<p class="gmail-p4" style="margin:0px 0px 0px 36.3px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">/Library/Frameworks/Python.framework/Versions/3.6/bin:/Library/Frameworks/GDAL.framework/Versions/2.2/Programs:</p>
<p class="gmail-p3" style="margin:0px 0px 0px 17.7px;text-indent:0.2px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Helvetica">- Quit QGIS 3 and start it again</p></div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Sep 28, 2018 at 11:55 AM <<a href="mailto:b.j.kobben@utwente.nl">b.j.kobben@utwente.nl</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





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<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif">It’s getting worse, now all my GDAL commands down’t waork anymore:<u></u><u></u></span></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span lang="EN-GB" style="font-family:"Georgia",serif">“</span>GDAL command output:<u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:Monaco;color:blue">/bin/sh: gdal_merge.py: command not found</span><span lang="EN-GB" style="font-family:"Georgia",serif">”<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif">But when I type “</span><span style="font-family:Monaco;color:blue">gdal_merge.py</span><span lang="EN-GB" style="font-family:"Georgia",serif">” in my terminal, it works fine...<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-family:"Georgia",serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">--<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">Barend Köbben<u></u><u></u></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"><u></u> <u></u></span></p>
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<p class="MsoNormal">On 28/09/2018, 16:42, "Qgis-user on behalf of <a href="mailto:b.j.kobben@utwente.nl" target="_blank">
b.j.kobben@utwente.nl</a>" <<a href="mailto:qgis-user-bounces@lists.osgeo.org" target="_blank">qgis-user-bounces@lists.osgeo.org</a> on behalf of
<a href="mailto:b.j.kobben@utwente.nl" target="_blank">b.j.kobben@utwente.nl</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif">Anyone else has the problem of QGIS 3.2.3 on MacOSX (10.13.6) becoming unstable regularly.?</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif">It’s worse than plain unstable, it does not want to start at all anymore (MacOS message ”QGIS quit unexpectedly”). The only thing that remedies this  is re-installing, or throwing the
 whole QGIS settings [in Library/Application Support/QGIS/QGIS3] away, which basically comes down to reinstalling, as all settings are gone then.</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"> </span><u></u><u></u></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif">yours</span><u></u><u></u></p>
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<p class="MsoNormal"><span lang="NL" style="font-family:"Georgia",serif"> </span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">--</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">Barend Köbben</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">Senior Lecturer – ITC-University of Twente & ATLAS</span><u></u><u></u></p>
<p class="MsoNormal"><span lang="NL" style="font-family:"Georgia",serif">PO Box 217, 7500 AE Enschede (Netherlands)</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">ITC Building (room 1-065)</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">@barendkobben</span><u></u><u></u></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">+31-(0)53 4874 253</span><u></u><u></u></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-family:"Georgia",serif"> </span><u></u><u></u></p>
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