Forms are not visible | WordPress.org

Hi, my forms stopped working on the website (I linked an example), how can I fix it?

OS: Linux pool179-106-38.bur.atomicsites.net 5.10.0-23-amd64 #1 SMP Debian 5.10.179-2 (2023-07-14) x86_64
Webserver: nginx
PHP: 8.1.29
MySQL: 10.6.15-MariaDB-log
WordPress: 6.5.4
Multi Step Form: 1.7.20
Multi Step Form Plus: Nicht installiert/aktiv
WordPress Max Upload Size: 2,0 GB
PHP Memory Limit: 512M
PHP Post Max Size: 2047M
PHP Upload Max Filesize: 2047M
PHP Max Input Time: 1200
PHP Max Execution Time: 1200
Default E-Mail: [email protected]
Default E-Mail Name: Verplan Versicherungsmakler GmbH

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

 

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