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    <p>Maybe have a look here:
<a class="moz-txt-link-freetext" href="https://askubuntu.com/questions/74485/how-to-display-hidden-characters-in-vim">https://askubuntu.com/questions/74485/how-to-display-hidden-characters-in-vim</a></p>
    <div class="moz-cite-prefix">On 16.11.2021 15:51, 'joey zhang' via
      cp2k wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:a4587def-7582-4452-a789-7f46993da7f3n@googlegroups.com">
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      Thanks to your help. The input files have been upload in the
      previous answers three days before, or  could you tell me how to
      find these special characters?<br>
      <br>
      <div class="gmail_quote">
        <div dir="auto" class="gmail_attr">在2021年11月16日星期二 UTC+8
          上午1:29:45<a class="moz-txt-link-rfc2396E" href="mailto:fabia...@gmail.com"><fabia...@gmail.com></a> 写道:<br>
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        <blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex;
          border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
          <div>
            <p>Hi,</p>
            <p>I suspect that you still have some special characters in
              your input file(s). But you have to provide those files to
              check...</p>
            <p>Cheers<br>
            </p>
          </div>
          <div>
            <div>On 13.11.2021 01:45, 'joey zhang' via cp2k wrote:<br>
            </div>
          </div>
          <div>
            <blockquote type="cite"> Thanks for your suggestions.
              however, a new problem emerges:<img alt="problem.png"
                moz-do-not-send="true" width="573px" height="150px"><font
                color="#ff0000"> </font> I haver looked for information
              about this problem in forum. They attribute this problem
              to the  weird kind  in my input file, but i have checked
              my input file for many times, but i can't find anyting
              wrong. All the input file are listed above. Could you give
              me some help?<br>
              <br>
              <div class="gmail_quote">
                <div dir="auto" class="gmail_attr">在2021年11月12日星期五 UTC+8
                  下午11:22:01<a href="" data-email-masked=""
                    rel="nofollow" moz-do-not-send="true"><fabia...@gmail.com></a>
                  写道:<br>
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                <blockquote class="gmail_quote" style="margin:0 0 0
                  0.8ex;border-left:1px solid
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                    <p>Hi Joey,</p>
                    <p>You have special characters in your files which
                      cp2k cannot handle: <br>
                    </p>
                    <p>tabs (\t) in cp2k.inc and carriage return (\r) in
                      cp2k.inp</p>
                    <p>if you are on linux you can do the following:</p>
                    <p>sed -i.bak 's/\r//g;s/\t/ /g' cp2k.inp cp2k.inc</p>
                    <p>which will remove these characters or convert
                      them to spaces. This should solve your issue.<br>
                    </p>
                    <p>Cheers,</p>
                    <p>Fabian<br>
                    </p>
                  </div>
                  <div>
                    <div>On 12.11.2021 15:57, 'joey zhang' via cp2k
                      wrote:<br>
                    </div>
                  </div>
                  <div>
                    <blockquote type="cite"> Thanks for your help, here
                      is my input file 
                      <div class="gmail_quote">
                        <div dir="auto" class="gmail_attr">在2021年11月12日星期五
                          UTC+8 下午5:07:09<Matthias Krack> 写道:<br>
                        </div>
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                          0 0 0.8ex;border-left:1px solid
                          rgb(204,204,204);padding-left:1ex">
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                              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"
                                  lang="DE-CH">Hi Joey</span></p>
                              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"
                                  lang="DE-CH"> </span></p>
                              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Please,
                                  provide the full CP2K input file.
                                  Otherwise, one can only guess what the
                                  problem is.</span></p>
                              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p>
                              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Matthias</span></p>
                              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p>
                            </div>
                          </div>
                          <div link="blue" vlink="purple" lang="EN-US">
                            <div>
                              <div style="border:none;border-left:solid
                                blue 1.5pt;padding:0cm 0cm 0cm 4.0pt">
                                <div>
                                  <div
                                    style="border:none;border-top:solid
                                    #e1e1e1 1.0pt;padding:3.0pt 0cm 0cm
                                    0cm">
                                    <p class="MsoNormal"><b><span
                                          style="font-size:11.0pt;font-family:"Calibri",sans-serif"
                                          lang="DE">Von:</span></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif"
                                        lang="DE"> 'joey zhang' via cp2k
                                        <<a rel="nofollow"
                                          moz-do-not-send="true">cp...@googlegroups.com</a>>
                                        <br>
                                        <b>Gesendet:</b> Freitag, 12.
                                        November 2021 09:28<br>
                                        <b>An:</b> cp2k <<a
                                          rel="nofollow"
                                          moz-do-not-send="true">cp...@googlegroups.com</a>><br>
                                        <b>Betreff:</b> [CP2K:16216]
                                        something wrong with the
                                        section_ROOT</span></p>
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                                </div>
                                <p class="MsoNormal"> </p>
                                <p class="MsoNormal">Hi, all</p>
                                <div>
                                  <p class="MsoNormal">  i am new to
                                    cp2k, please  forgive me for my
                                    questions may be a trival.</p>
                                  <div>
                                    <p class="MsoNormal">when i submit
                                      the AIMD task on the server, it
                                      died immediately. The cp2k.out
                                      presents that  "found an  unknown
                                      keyword N in section_ROOT_". I
                                      guess it might be something wrong
                                      with the pseupotential or
                                      basis-set of element N. But i
                                      did't find anything wrong.  And i
                                      also search the section_ROOT in
                                      the manual, i found no results.
                                      Have you ever met such problem?</p>
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                                    <p class="MsoNormal"><img
                                        style="width:9.1875in;min-height:2.3854in"
src="https://groups.google.com/group/cp2k/attach/11e4693da4eac/image001.png?part=0.1&view=1"
                                        alt="section_ROOT.png"
                                        moz-do-not-send="true"
                                        width="882" height="229"></p>
                                  </div>
                                </div>
                                <div>
                                  <p class="MsoNormal"> </p>
                                </div>
                                <div>
                                  <p class="MsoNormal"><img
                                      style="width:4.2395in;min-height:1.0625in"
src="https://groups.google.com/group/cp2k/attach/11e4693da4eac/image002.png?part=0.2&view=1"
                                      alt="pseupotential.png"
                                      moz-do-not-send="true" width="407"
                                      height="102"></p>
                                </div>
                                <div>
                                  <p class="MsoNormal"><br>
                                    best wishes</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">joey</p>
                                </div>
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