Hello, <div><br></div><div>you do not want to try and include comments on the line with the EXTERNAL_FILE. <div><br></div><div>As you have written it the restart file is called '
abc-1.restart # Needs to match project name above ' (which is a legal Linux filename). This file does not exist. OLD is the FORTRAN term for already existing.</div><div><br></div><div>Remove the comment and it should work OK.<br><div><br></div><div>Matt<br><br></div></div></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Sunday, November 8, 2020 at 1:40:52 PM UTC y...@gmail.com wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div>If I add ext_restart shown below for restart and run the input file, the following error message appears.</div><div><br></div><div>&EXT_RESTART<br> EXTERNAL_FILE abc-1.restart # Needs to match project name above<br> &END</div><p>-------------------------------------------------------------</p><p>The specified OLD file <abc-1.restart # Needs to match project *<br> * \___/ name above> cannot be opened. </p><p>-------------------------------------------------------------<br></p><div><div>abc-1.restart file is located in the same directory and my cp2k version is 6.10.</div><div>It is difficult to know what's the problem with it.</div><div><br></div><div>Restart is a basic operation and its failure is embarrassing.</div><div>What things should cause it? What's the meaning of "OLD" file at the error message?</div><div><br></div><div>Thanks.</div><div> Luke<br></div></div><p><br></p></blockquote></div>