One-Page Checkout [Support Thread]

[lat9]

I've removed that file but still getting the same error:

jquery.checkout_one.js?1618668915:54 setFormSubmitButton, payment-module: null
jquery.checkout_one.js?1618668915:54 Showing "confirm"
jquery.checkout_one.js?1618668915:54 Setting orderConfirmed (0), submitter (null)
jquery.checkout_one.js?1618668915:54 jQuery version: 3.5.1
jquery.checkout_one.js?1618668915:54 saveCustomerInfo, starts ...
index.php?main_page=checkout_one:55 Object
jquery.checkout_one.js?1618668915:998 Uncaught TypeError: Cannot read property 'length' of null
at jquery.checkout_one.js?1618668915:998
at fire (jscript_jquery.js:3496)
at Object.fireWith [as resolveWith] (jscript_jquery.js:3626)
at Object.deferred.<computed> [as resolve] (jscript_jquery.js:3964)
at Object.success (index.php?main_page=checkout_one:63)
at fire (jscript_jquery.js:3496)
at Object.fireWith [as resolveWith] (jscript_jquery.js:3626)
at done (jscript_jquery.js:9786)
at XMLHttpRequest.<anonymous> (jscript_jquery.js:10047)

Jim, send a link to the site to my direct email.