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    Ken,<br>
    <br>
    What version of php (run 'php -v'), and on what version of which
    Linux distro?<br>
    <br>
    Does this happen to every attempt to download as a zip? Or just
    encrypted / unencrypted?<br>
    <br>
    Cheers,<br>
    Jules.<br>
    <br>
    <div class="moz-cite-prefix">On 24/01/2020 8:25 pm, Ken Etter via
      ZendTo wrote:<br>
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cite="mid:WM!aba4408a824301c85e0cbd0d9d9ad9fbb3b02c10325cc27760ffa4b30f3c5163d21ef97961c612eb1c8af024c2a88178!@mx.jul.es">
      <meta name="Generator" content="Novell Groupwise Client (Version
        18.2.0 Build: 135627)">
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id="GroupWiseSection_1579897512000_KLE@msktd.com_1FEF159614D20000B1ED8700B3004500_">
        <div>This is showing up in the apache error log:</div>
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        <div>[Fri Jan 24 15:19:47.183517 2020] [:error] [pid 1856]
          [client 192.168.2.151:49250] PHP Fatal error:  Uncaught
          TypeError: Return value of
          ZipStream\\Option\\Archive::setSendHttpHeaders() must be an
          instance of ZipStream\\Option\\void, none returned in
          /opt/zendto/lib/ZipStream/Option/Archive.php:158\nStack
          trace:\n#0 /opt/zendto/lib/NSSDropoff.php(1026):
          ZipStream\\Option\\Archive->setSendHttpHeaders(false)\n#1
          /opt/zendto/lib/NSSDropoff.php(1282):
          NSSDropoff->downloadPlainZip(Array)\n#2
          /opt/zendto/www/download.php(128):
          NSSDropoff->downloadFile('all')\n#3 {main}\n  thrown in
          /opt/zendto/lib/ZipStream/Option/Archive.php on line 158<br>
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        <meta name="Generator" content="Novell Groupwise Client (Version
          18.2.0 Build: 135627)">
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id="GroupWiseSection_1579897034000_KLE@msktd.com_1FEF159614D20000B1ED8700B3004500_"><span
            class="GroupwiseReplyHeader">>>> Ken Etter via
            ZendTo <a class="moz-txt-link-rfc2396E" href="mailto:zendto@zend.to"><zendto@zend.to></a> 1/24/2020 3:19 PM >>><br>
          </span>
          <div>ZendTo Version 5.21-2.  When a user selects "DownloadAll
            Files as a Zip" they get an error: "This site cannot be
            reached  The webpage at...might be temporarily down or it
            may have moved...   err_invalid_response".  I'm going to dig
            through the logs but thought I would post the question here
            in case anyone knows a quick fix.  Thanks!<br>
          </div>
          <span id="GWSignatureSent" style="padding-right: 0px;
            padding-left: 0px; margin-bottom: 5px; display: block;"><span
              style="display: block;"><br>
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                <div style="color: rgb(0, 0, 0); text-transform: none;
                  text-indent: 0px; letter-spacing: normal; font-family:
                  "Open Sans", sans-serif; font-size: 10.65px;
                  font-style: normal; font-weight: 400; word-spacing:
                  0px; white-space: normal; orphans: 2; widows: 2;
                  background-color: inherit; -webkit-text-stroke-width:
                  0px; font-variant-ligatures: normal;
                  font-variant-caps: normal; text-decoration-style:
                  initial; text-decoration-color: initial;"><font
                    face="Arial" color="#000000"><strong>Ken Etter</strong>,
                    System Administrator</font></div>
                <div style="color: rgb(0, 0, 0); text-transform: none;
                  text-indent: 0px; letter-spacing: normal; font-family:
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                  font-style: normal; font-weight: 400; word-spacing:
                  0px; white-space: normal; orphans: 2; widows: 2;
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                  0px; font-variant-ligatures: normal;
                  font-variant-caps: normal; text-decoration-style:
                  initial; text-decoration-color: initial;"><font
                    face="Arial" color="#00abe2">Architectural Group</font></div>
                <div style="color: rgb(0, 0, 0); text-transform: none;
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                  font-variant-caps: normal; text-decoration-style:
                  initial; text-decoration-color: initial;"><font
                    face="Arial" color="#000000">260.432.9337</font><font
                    face="Arial" color="#000000"><span> </span>|<span> </span></font><a
                    style="border: currentColor; border-image: none;
                    color: rgb(0, 0, 0); text-decoration: none;"
                    href="http://msktd.com/" moz-do-not-send="true"><font
                      face="Arial" color="#000000">msktd.com</font></a></div>
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                  initial; text-decoration-color: initial;"><a
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                    href="http://msktd.com/" moz-do-not-send="true"><img
                      style="border: currentColor; border-image: none;"
                      src="cid:part2.2177F5ED.01B88E44@Zend.To" class=""></a></div>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
ZendTo mailing list
<a class="moz-txt-link-abbreviated" href="mailto:ZendTo@zend.to">ZendTo@zend.to</a>
<a class="moz-txt-link-freetext" href="http://jul.es/mailman/listinfo/zendto">http://jul.es/mailman/listinfo/zendto</a>
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    <br>
    <pre class="moz-signature" cols="72">Jules

-- 
Julian Field MEng CEng CITP MBCS MIEEE MACM

The current UK shipping forecast:
Irish Sea: Southwest 4 or 5, becoming cyclonic 6 to gale 8, then north 4 to 6.
Slight or moderate, occasionally rough in south. Rain. Good, occasionally
poor.

<a class="moz-txt-link-abbreviated" href="http://www.Zend.To">www.Zend.To</a>
Twitter: @JulesFM
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