This site is extremely slow, and it is producing this error whenever a page with a View on it is loaded:
[error] 92000#92000: *8882 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught TypeError: array_intersect(): Argument #1 ($array) must be of type array, string given in /www/batsford_471/public/wp-content/plugins/toolset-blocks/application/controllers/cache/views/invalidator.php:274
The error you shared indicates one of the caches for the views is stuck in "Invalid" state.
I navigate to:
=> WordPress Dashboard > Toolset > Views, and click the "Clear Cache" button (where exists) available with every view item row on view's listing page and it should fix the issue:
- hidden link