Signals Notebook: After Product Update Maintenance, Some Experiments Become Inaccessible and an Error Message Is Displayed

Problem

If you begin seeing error messages such as "Failed to fetch document from the server" or "TypeError" when attempting to open specific experiments following a Signals Notebook product update maintenance, but other experiments remain accessible, the issue is likely caused by your browser's cache.

Below is a screenshot of one of the experiments affected by this issue.

Solution

Please clear your browser's cache. If the issue is caused by a change in data structure introduced by the product update, clearing the cache should resolve it.