Hello Together.

After Upgrading Website X5 to the newest Version we have an HTTP500 Error with all Forms, after we converted our Projects into the new Version. 

Once we submit the Form-Content (send via EMail), the User receives an HTTP500 Error and an empty Page. The Browser Console shows, that it happens if the PHP File "imEmailForm.php" is getting loaded.

This issue does not occur with the previuos Version of our Website-Projects.

I also tried upgraded our PHP 7.0 Version on the Webserver to several newer Versions and tested it, but without success:

Upgrade to PHP7.2 -> No success

Upgrade to PHP7.4 -> No success

Please note again: If we are using the older Version of our Website Projects, all Forms are working fine.

Has anyone an Idea what is happening here? Maybe the newer Version of Website X5 Project needs special PHP-Config Parameter?

Now I have no Idea anymore and need your help.

Thank  you!

Fabio