I'm unclear what the cause of this error is - superfish seems to work fine and this error is only present on one particular page, not all pages using the same template.
jQuery.Deferred exception: jQuery(...).superfish is not a function @http://localhost:8888/general-discussion/ddd/:10:26
e@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:30310
Deferred/then/l/</t<@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:30612
setTimeout handler*Deferred/then/l/<@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:30821
c@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:28599
fireWith@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:29344
fire@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:29380
c@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:28599
fireWith@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:29344
ready@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:32317
$@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:32096
EventListener.handleEvent*@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:32465
@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:220
@http://localhost:8888/scripts/jquery-3.6.3/jquery.min.js:2:225
Uncaught TypeError: jQuery(...).superfish is not a function
<anonymous> http://localhost:8888/general-discussion/ddd/:10
jQuery 13
Have the same issue with a SMF theme that loads everything exactly as you've pointed out: first jQuery, then Superfish and then having another Githubissues.
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I'm unclear what the cause of this error is - superfish seems to work fine and this error is only present on one particular page, not all pages using the same template.
HTML head code