<html><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;">You probably have specified non-zero ivdc_kappa or cAdjFreq, see the manual here: <a href="https://mitgcm.readthedocs.io/en/latest/getting_started/getting_started.html">https://mitgcm.readthedocs.io/en/latest/getting_started/getting_started.html</a><div>If you use pkg/kpp, you need to disable other forms of convection, i.e., leave the two variables to their default values of 0.</div><div><br></div><div>D.<br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On Jun 27, 2025, at 7:15 PM, Juncheng Zhang <juncheng.zhang@mail.utoronto.ca> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><div style="margin: 0cm; font-size: 10pt; font-family: Aptos, sans-serif; caret-color: rgb(0, 0, 0); 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;"><span style="font-size: 11pt;">Hi Dimitris,<o:p></o:p></span></div><div style="margin: 0cm; font-size: 10pt; font-family: Aptos, sans-serif; caret-color: rgb(0, 0, 0); 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;"><span style="font-size: 11pt;"><o:p> </o:p></span></div><div style="margin: 0cm; font-size: 10pt; font-family: Aptos, sans-serif; caret-color: rgb(0, 0, 0); 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;"><span style="font-size: 11pt;">Thank you so much,<o:p></o:p></span></div><div style="margin: 0cm; font-size: 10pt; font-family: Aptos, sans-serif; caret-color: rgb(0, 0, 0); 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;"><span style="font-size: 11pt;"><o:p> </o:p></span></div><div style="margin: 0cm; font-size: 10pt; font-family: Aptos, sans-serif; caret-color: rgb(0, 0, 0); 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;"><span style="font-size: 11pt;">I followed the examples, however, I get error as below, do you know why it happens?<o:p></o:p></span></div><div style="margin: 0cm; font-size: 10pt; font-family: Aptos, sans-serif; caret-color: rgb(0, 0, 0); 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;"><span style="font-size: 11pt;">(PID.TID 0000.0001) *** ERROR *** Some form of convection has been enabled<o:p></o:p></span></div><br class="Apple-interchange-newline"></div></blockquote></div><br></div></body></html>