Very recently previews for unpublished content have stopped working for us (published content previews are still working perfectly).
I have followed the Troubleshooting previews guide, and have found an issue that I need some additional help with.
When making a GraphQL query, there seems to be an issue with the
Prismic-ref token for unpublished content, it returns a HTML document with the following error message:
whoa, didn't see that one coming! We are not sure what happened, but it looks like a problem on our side. If it is something that you can repeat, please let us know. Check our status page for information about the service status and known incidents. You can always contact us at email@example.com.
Example of the published token:
Example of the unpublished token:
X_ABCBIAACEApYZ-:X12tvxABCDE4AbjYz (does not work).
Any help would be appreciated.