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    Rana,<br>
      The error is coming because the "time of last data read" and "time
    of next data read" inputs to Type16 are not connected (they are
    always 0 and 1). Type9 provides these outputs at the very end of its
    output list (outputs 99 and 100). You are quite right that the error
    message is not very helpful. I will see what we can do about that
    for future releases.<br>
    Kind regards,<br>
      David<br>
    <br>
    On 11/25/2011 14:55, Rana Mohsen wrote:
    <blockquote cite="mid:DUB109-W11551CF26915BBB39540F20EDCF0@phx.gbl"
      type="cite">
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        <div style="font-family: Tahoma; font-size: 10pt; ">Hey all,</div>
        <div><font class="Apple-style-span" face="Tahoma" size="2">i am
            using types 9e, with external data file, radiation and
            ambient temperature, also type 16 c and 56. when i start
            rendering this error appears  i don't know why. i have
            attached the files, i spent long time but i don't know why
            it's giving this error message.</font></div>
        <font class="Apple-style-span" face="Tahoma" size="2">an
          simulation time step is greater than the data timestep for the
          radiation calculation the simulation timestep needs to be
          reduced</font>
        <div style="font-family: Tahoma; font-size: 10pt; ">thanks in
          advance.<br>
          Rana<br>
          <div style="font-size:10pt;text-indent:0px
            !important;font-family:'Times New Roman'"><font
              class="ecxApple-style-span" style="text-indent:0px
              !important" face="Tahoma" size="2"><span
                style="text-indent:0px !important"><i><span
                    style="text-indent:0px !important;color:rgb(63, 63,
                    63)"><font class="ecxApple-style-span">B</font></span><font
                    class="ecxApple-style-span" style="text-indent:0px
                    !important" color="#3f3f3f">est Regards</font></i></span><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" color="#595959">,</font></font></div>
          <div style="font-size:10pt;text-indent:0px
            !important;font-family:'Times New Roman'"><font
              class="ecxApple-style-span" style="text-indent:0px
              !important" face="Tahoma" size="2"><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" color="#3F3F3F">  <b> </b></font><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" color="#595959"><b>I</b>NG</font><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" color="#3F3F3F"><b>.</b>| </font><b
                style="text-indent:0px !important"><font
                  class="ecxApple-style-span" style="text-indent:0px
                  !important" color="#595959"><u style="text-indent:0px
                    !important">R</u></font></b><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" color="#3F3F3F">ana Hanafy</font></font></div>
          <div style="font-size:10pt;text-indent:0px
            !important;font-family:'Times New Roman'"><font
              class="ecxApple-style-span" style="text-indent:0px
              !important" face="Tahoma"><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" size="2" color="#3F3F3F"> Master Student</font></font></div>
          <div style="font-size:10pt;text-indent:0px
            !important;font-family:'Times New Roman'"><font
              class="ecxApple-style-span" style="text-indent:0px
              !important" face="Tahoma"><font
                class="ecxApple-style-span" style="text-indent:0px
                !important;font-size:10pt" size="2" color="#c0504d"> Hochschule
                für TechniK </font></font><span
              class="ecxApple-style-span" style="color:rgb(192, 80,
              77);font-family:Tahoma;font-size:10pt">Stuttgart</span></div>
          <div
            style="font-family:Tahoma;font-size:10pt;text-align:left;text-indent:0px
            !important"><font class="ecxApple-style-span"
              style="text-indent:0px !important"><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" color="#3F3F3F"><font
                  class="ecxApple-style-span" style="font-size:10pt"
                  face="Tahoma"> </font><font
                  class="ecxApple-style-span" face="Tahoma">T</font><font
                  class="ecxApple-style-span" face="Tahoma" size="2">übingerstraße
                  93,</font></font></font></div>
          <div
            style="font-family:Tahoma;font-size:10pt;text-align:left;text-indent:0px
            !important"><font class="ecxApple-style-span"
              style="text-indent:0px !important"><font
                class="ecxApple-style-span" style="text-indent:0px
                !important" face="Tahoma" color="#3F3F3F"><font
                  class="ecxApple-style-span" size="2"> 70178 </font>S<font
                  class="ecxApple-style-span" size="2">tuttgart, </font></font></font><font
              class="ecxApple-style-span" face="Tahoma" color="#3F3F3F">G</font><font
              class="ecxApple-style-span" style="font-size:10pt"
              face="Tahoma" size="2" color="#3F3F3F">ermany</font></div>
          <div
            style="font-family:Tahoma;font-size:10pt;text-align:left;text-indent:0px
            !important"><span class="ecxApple-style-span"><font
                class="ecxApple-style-span" face="Tahoma"><font
                  class="ecxApple-style-span" style="font-size:small"
                  color="#3f3f3f"> </font><font
                  class="ecxApple-style-span" color="#e36c09"><font
                    class="ecxApple-style-span" style="font-size:small">
                  </font><font class="ecxApple-style-span" size="2">0049-176-59730029</font></font></font></span></div>
          <div style="text-indent:0px
            !important;font-size:12pt;font-family:Tahoma"><font
              class="ecxApple-style-span" face="Tahoma" color="#3F3F3F"><br>
            </font></div>
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      <pre wrap="">_______________________________________________
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</pre>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
<a class="moz-txt-link-abbreviated" href="mailto:d.bradley@tess-inc.com">d.bradley@tess-inc.com</a>

<a class="moz-txt-link-freetext" href="http://www.tess-inc.com">http://www.tess-inc.com</a>
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