Hello. Thank you for contacting the Toolset support.
First of all, based on the debug information you shared I find that you are using the outdated Toolset plugins. We always recommend running your site with the latest stable release plugin version.
*** Please make a FULL BACKUP of your database and website.***
Could you please update ALL Toolset plugins to it's latest officially released version. You can download the latest plugin release from your accounts page:
=> https://toolset.com/account/downloads/
OR
You can install/update Toolset pluigins using the installer plugin:
-https://toolset.com/faq/how-to-install-and-register-toolset/#automatic-installation-once-you-have-otgs-installer-plugin-installed
In addition to that - Can you please share bit more information maybe screenshot or video with what post form you are trying to add what and what exactly is not working.
Here is a sandbox site and you can auto-login to it using the following link:
- hidden link
