How to overcome error Uncaught ReferenceError: showPaymentForm is not defined?

Is Joomla + Joomshopping
When you try to place an order in vyvalivatsya js console errors, maybe someone can help to fix it? In JS is not strong.
March 12th 20 at 08:11
2 answers
March 12th 20 at 08:13
like as not connected jquery or the script does not wait for when it starts, exactly the user was doing?
jquery connected - delpha_Welch80 commented on March 12th 20 at 08:16
March 12th 20 at 08:15
showPaymentForm - there is no such method.
the scripts are all loaded correctly?

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