Problems enrolling new IOS device

When I go to install the Profile on an Iphone or Ipad. I am getting the Error
“Profile Installation Failed”
“The SCEP Server returned an invalid response”
I am using Comodo Ones hosted environment and have setup and configured the Apply APN correctly.
I had this working a few weeks ago, but now time for deployment and It doesn’t seem to work.
Any ideas or suggestions would be appreciated.

I have tried Deleting and creating a new APN Cert and installing it in the portal, still no luck

Hi @theputter ,

Thank you for reporting this case, we will further investigate this issue and we will get back to you as soon as possible thru email.