Running the very basic SOAP request to list all services:


I get

The "\DateTime" parameter type is invalid. Verify the parameter and try again.

enter image description here

  • This only happened after upgrading to Magento 2.3.5 from 2.3.2 – Stephen Dance May 15 at 12:12

This is caused by a Dotmailer bug: https://github.com/dotmailer/dotmailer-magento2-extension/issues/560

Upgrade or remove the module.

| improve this answer | |

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.