Error messages and solutions for debugging in the server container

Here you will find the solutions for all the error messages you get when you want to debug in the server container after you have configured server side your tags and triggers.

Error Message: You cannot preview this container

When you click preview mode in the server container you might encounter the error that you cannot preview this container. 

You cannot preview this container gtm notice

You can resolve this error by going to "Edit Container Settings". Under "Server container URLs" , add your subdomain including https://. Once you have done this you can start using preview mode.

add Server container URL to container gtm

Error Message: This site can’t provide a secure connection

If you encounter the message "This site can't provide a secure connection" it probably means that DNS has not been validated within TAGGRS as shown in the picture below. So make sure your DNS is validated.

error-gtm-message-This site can’t provide a secure connection


Error Message: 404 error in preview mode

When testing a page in the preview mode of the server container you receive a 404 error.

Solution: Within the container settings, your current domain is listed. Here, the subdomain of TAGGRS should be specified; otherwise, you may encounter a 404 error.

Container Settings TAGGRS subdomain

Wrapping Up

These are the main erros and solutions for debugging in the server container. If your issue isn't listed here or if you've discovered another cause relevant to other users, send us a support ticket.