Hello Andrey

Please share your administrator access here to check the issue. Use the Hidden Content box to share the credentials.

Best regards

sent

I am waiting support from you

Sorry, your credentials do not match.

Please try again

I need solution

Your mail function does not work. I have tried test email option in the Global Configuration. You can follow this blog

My mail functions is working. You can check it in global configuration Joomla and send test mail from this part of site. I have tryed just now and I got mail. Doesnt work only form from SPPB that why I ask helping from support of SPPB.

Please share the page link on where you have set up Form Builder.

extentions - modules - after-content2

all of this https://prnt.sc/10dqjim

https://stt-tver.ru/nerudnye-materialy/pesok https://stt-tver.ru/arenda-spetstekhniki/samosvaly

Please take a full site backup in zip format with Akeeba Backup and share here.

https://disk.yandex.ru/d/-qI7eXPmXP9hKw

Please follow this tutorial to take Akeeba Backup in ZIP format.