MailMunch JS Causing Errors

[DanielA6217]

Hello, we have the Constant Contact by MailMunch plugin installed on our wordpress website, but ever since trying to update it is now causing JavaScript errors. The link address for site.js is https://a.mailmunch.co/app/v1/site.js

Which lead me to here.. Can anyone assist?

site.js:1 Uncaught TypeError: 'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them
at HTMLDocument.<anonymous> (site.js:1:17012)
at HTMLDocument.c (rocket-loader.min.js:1:9405)
at l (rocket-loader.min.js:1:1105)
at t.simulateStateAfterDeferScriptsActivation (rocket-loader.min.js:1:8630)
at Object.callback (rocket-loader.min.js:1:3075)
at t.run (rocket-loader.min.js:1:11340)
at rocket-loader.min.js:1:11156
at HTMLScriptElement.<anonymous> (rocket-loader.min.js:1:670)

[DanielA6217]

[Courtney_E]

Hello DanielA6217,

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Thank you for reaching out to Constant Contact API Developer Support. My team is here to assist outside software developers with questions about building into Constant Contact's API.

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Please note that MailMunch is a 3rd party product and not built or supported by Constant Contact, so we are limited in the support we can provide, but will try to answer any questions to the best of our ability as they pertain to Constant Contact’s API endpoints and functionality. Constant Contact makes these endpoints available for 3rd party developers to create integrations with our system.

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Constant Contact Forms by MailMunch

https://wordpress.org/plugins/constant-contact-forms-by-mailmunch/

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I'd recommend starting out by taking a look at the support forum for MailMunch's 3rd party developed WordPress plugin to see if any other users are experiencing a similar issue so that you can determine whether the issue is related to something in WordPress or something within the Plugin.

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Support » Plugin: Constant Contact Forms by MailMunch

https://wordpress.org/support/plugin/constant-contact-forms-by-mailmunch/

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From there, you'd want to reach out to either MailMunch or WordPress support, depending on whichever seems to be the root cause of the issue:

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Contact MailMunch Support

https://www.mailmunch.com/contact

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WordPress.com Support

https://wordpress.com/support/help-support-options/

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Because this is a 3rd party developed integration, on our end, all we are able to help with is check to see whether their plugin is connected successfully to your Constant Contact account, and verify whether contacts are being added successfully. If this is something you'd like to verify as well, please feel free to send our team an email at webservices@constantcontact.com and reference case #30543394 with the username of the Constant Contact account that the plugin is connected to, and (if applicable) the public-facing website URL where you have the sign-up form installed.

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Please have a look and let us know if you have any other questions!