This code is now before the /body tag: "<script src="//widget.siteminder.com/ibe.min.js"></script>"
Used code: "<div class="ibe" data-widget="property_grid" data-clientid="bigrivercampdirect">"
Check availability ↓ Same error as we started with. The simple question is why this page can't be found.
Used code: "<div class="ibe" data-region="emea" data-channelcode="bigrivercampdirect" data-widget="embed">"
Check availability ↓ Works now