So to work around this, you need to clone one of your existing templates that already has the PHP script in it, then all should work like the old way (use this as the base and add ...
My best advice is then to create 1 Blank Free-Form template, with just a basic blank template. From here create a a new Landing Page in Marketing Activities and open up the editor,...
Marketo has validation rules turned on for some fields, for example Email should be a valid Email Address, clicking on and off the field will activate the error message, other fiel...
There is two types of of Landing Pages, Free-Form and Guided:Create a Guided Landing Page Template - Marketo Docs - Product Docs Create a Free-Form Landing Page - Marketo Docs - Pr...
Are you getting the ID using the API and then pushing it to the Lead record in your CRM?{{lead.ID}} looks like a custom field in your CRM and not an out of the box one from Marketo...