<html aria-label="message body"><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><br></div> Instead of writing to 6 try opening a file and writing to that. It seems like somewhere earlier in the code it is changing the the IO units. Or better just run in the debugger and put a break point in at that line<div><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On Sep 19, 2025, at 6:55 AM, Matthew Knepley <knepley@gmail.com> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div dir="ltr">On Thu, Sep 18, 2025 at 9:25 PM Shatanawi, Sawsan Muhammad via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a>> wrote:</div><div class="gmail_quote gmail_quote_container"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class="msg-6948140751143423171"><div dir="ltr"><div style="direction: ltr; margin-top: 1em; margin-bottom: 1em; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Hello everyone,</div><div style="direction: ltr; margin-top: 1em; margin-bottom: 1em; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">I developed a groundwater module to be integrated within Noah-MP using the HRLDAS driver. For the numerical solver, I rely on PETSc. However, I am encountering an error that I do not fully understand.</div><div style="direction: ltr; margin-top: 1em; margin-bottom: 1em; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">To debug, I added print statements in the global<span class="Apple-converted-space"> </span><code>NoahmpIOVarType.F90</code> module (This is the first module that needs to be read), but these statements did not appear in the output. This makes me wonder if I may have declared the PETSc variables incorrectly.</div></div></div></blockquote><div>Are you calling the function you added?</div><div><br></div><div> Thanks,'</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class="msg-6948140751143423171"><div dir="ltr"><div style="direction: ltr; margin-top: 1em; margin-bottom: 1em; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Could you please review my NoahmpIOVarType.F90 module and Makefile, let me know if the PETSc variables are declared in the correct place? I would greatly appreciate any guidance on this issue.</div><div style="direction: ltr; margin-top: 1em; margin-bottom: 1em; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Thank you in advance</div><div style="direction: ltr; margin-top: 1em; margin-bottom: 1em; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Best regards,<br>Sawsan Shatanawi:</div><div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br></div></div></div></blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">--<span class="Apple-converted-space"> </span></span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="https://urldefense.us/v3/__http://www.cse.buffalo.edu/*knepley/__;fg!!G_uCfscf7eWS!ZqrI3yhHcgsmY0-w0j_m1IWXQb6BPVXBEYspZHgD-EGre3tYQNnPaQbxjnMIEbdftA9k4Z4kFSBVGg9i167G$" target="_blank">https://www.cse.buffalo.edu/~knepley/</a></div></div></div></div></div></div></div></div></div></blockquote></div><br></div></body></html>