Single page can no longer be opened by ActiveCampaign

Hello,

I have decided to create my newsletter through Active Campaign. So far I have had no problems with my pages on WordPress. However, since I added Active Campaign’s code to the WordPress page via the Building Block Code, it only lets me view it. Editing is no longer possible. As soon as I click on “Activate Visual Builder” on this page, nothing happens. The page loads and loads and loads. So I can no longer access the page to make changes. I had also tried to copy this page and create it as a landing page with Active Campaign included, but there I was faced with the same problem.

Since the page was working fine before, it must be Active Campaign. I can also create new pages without Active Campaign and they work fine.

I’m really getting desperate, I’ve searched all the forums but haven’t found anything. I have also installed the Active Campaign plugin, but nothing happens.

Maybe someone of you already faced the problem and has a tip.

Thanks and looking forward to your feedback!

Best regards,
Sandra

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version: 6.0
site_language: de_DE
user_language: de_DE
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Twenty Twenty-One: version: 1.6, author: WordPress-Team, Automatische Aktualisierungen deaktiviert
Twenty Twenty-Two: version: 1.2, author: WordPress-Team, Automatische Aktualisierungen deaktiviert

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ActiveCampaign: version: 8.1.10, author: ActiveCampaign, Automatische Aktualisierungen deaktiviert
Antispam Bee: version: 2.11.0, author: pluginkollektiv, Automatische Aktualisierungen deaktiviert
Autoptimize: version: 3.0.4, author: Frank Goossens (futtta), Automatische Aktualisierungen deaktiviert
bananacontent: version: 2.6.0, author: Jonas Breuer, Vladislav Melnik, Automatische Aktualisierungen deaktiviert
Borlabs Cookie - Cookie Opt-in: version: 2.2.52, author: Borlabs GmbH, Automatische Aktualisierungen deaktiviert
GTM4WP: version: 1.16, author: Thomas Geiger, Automatische Aktualisierungen deaktiviert
Insert Headers and Footers: version: 1.6.2, author: WPBeginner, Automatische Aktualisierungen deaktiviert
Self-Hosted Google Fonts: version: 1.0.1, author: asadkn, Automatische Aktualisierungen deaktiviert
Yoast SEO: version: 19.1, author: Team Yoast, Automatische Aktualisierungen deaktiviert

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WP_SITEURL: undefined
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wordpress: writable
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themes: writable

The page I need help with: [log in to see the link]