Contact Form 7 success message not showing on one form, but showing on another

Thanks for helping and yes here are links. This is the page/form where the success message DOES work: https://testing.mynetworkingcentral.com/contact/
And this is the page/form where the success message does NOT work:
https://testing.mynetworkingcentral.com/join-form/

Thank you for any help you can lend!

Thanks for much for taking a look at this! This is what’s in the Form tab of the form that isn’t showing the success message:

<div class=”gdlr-core-input-wrap gdlr-core-large gdlr-core-full-width gdlr-core-with-column gdlr-core-no-border” >
<div class=”gdlr-core-column-60″>[text* groupname placeholder “Group Name*”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60 form-checkbox”><p>Meeting Type* [checkbox* meeting-type use_label_element “Hybrid” “In-Person” “Virtual”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[text* region placeholder “Region*”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60 form-checkbox”><p>Meeting Frequency* [checkbox* meeting-freq use_label_element “Daily” “Weekly” “Bi-Weekly” “Monthly” “Quarterly” “Specific Dates”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60 form-checkbox”><p>Meeting Day* [checkbox* meeting-day use_label_element “Weekdays” “Monday” “Tuesday” “Wednesday” “Thursday” “Friday” “Weekends” “Saturday” “Sunday”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60 form-checkbox”><p>Membership Fee* [checkbox* meeting-fee use_label_element “Yes” “No”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60 form-checkbox”><p>Meeting Fee* [checkbox* membership-fee use_label_element “Yes” “No”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60 form-checkbox”><p>Membership Requirements* [checkbox* requirements use_label_element “Yes” “No”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[text* topic placeholder “Speaker Topic(s)*”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[text* industry placeholder “Industry*”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[text presenter-name placeholder "Group Presenter Name"]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[text* your-name placeholder “Contact Name*”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[email* your-email placeholder “Contact Email*”]</div>
<div class=”clear”></div>
<div class=”gdlr-core-column-60″>[text website placeholder "Group Website"]</div>
<div class=”clear”></div>
[textarea* details placeholder “Comments for the MNC Administrators”]</div>
<div class=”gdlr-core-column-60 gdlr-core-left-align”>[submit class:gdlr-core-full “Submit Your Data”]</div>
</div>
[response]

(I tried putting “[response]” at the end because I saw that in a post somewhere and thought that might be the solution, but it didn’t help.)

Thank you! Any help is greatly appreciated.

That did it! Thanks so much for your help, it’s much appreciated. Another pair of eyes is what was needed here… thank you!