jQuery error – animateFadeOut is not a function

Hello wpDataTables,

I have a client who would like to use your plugin on their website, but I am having difficulties as the plugin has a jQuery error upon document load.

The error received is:

wdt.funcs.js?ver=3.0.1:9 Uncaught TypeError: jQuery(...).animateFadeOut is not a function
    at HTMLDocument.<anonymous> (wdt.funcs.js?ver=3.0.1:9)
    at i (jquery.js?ver=1.12.4-wp:2)
    at Object.fireWith [as resolveWith] (jquery.js?ver=1.12.4-wp:2)
    at Function.ready (jquery.js?ver=1.12.4-wp:2)
    at HTMLDocument.J (jquery.js?ver=1.12.4-wp:2)
(anonymous) @ wdt.funcs.js?ver=3.0.1:9
i @ jquery.js?ver=1.12.4-wp:2
fireWith @ jquery.js?ver=1.12.4-wp:2
ready @ jquery.js?ver=1.12.4-wp:2
J @ jquery.js?ver=1.12.4-wp:2
common.js?ver=3.0.1:324 Uncaught TypeError: jQuery(...).animateFadeOut is not a function
    at common.js?ver=3.0.1:324
    at dispatch (jquery.js?ver=1.12.4-wp:3)
    at r.handle (jquery.js?ver=1.12.4-wp:3)
(anonymous) @ common.js?ver=3.0.1:324
dispatch @ jquery.js?ver=1.12.4-wp:3
r.handle @ jquery.js?ver=1.12.4-wp:3
load (async)
add @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ jquery.js?ver=1.12.4-wp:3
each @ jquery.js?ver=1.12.4-wp:2
each @ jquery.js?ver=1.12.4-wp:2
ra @ jquery.js?ver=1.12.4-wp:3
on @ jquery.js?ver=1.12.4-wp:3
(anonymous) @ bootstrap-select.min.js?ver=3.0.1:8
(anonymous) @ bootstrap-select.min.js?ver=3.0.1:8
(anonymous) @ bootstrap-select.min.js?ver=3.0.1:7
(anonymous) @ bootstrap-select.min.js?ver=3.0.1:7

WordPress is version: 5.4
wpDataTables is version: 3.0.1

I have already tried disabling all plugins and changing themes. Is there anything else I can try? Any help is greatly appreciated.