`[09-Jan-2023 22:27:25 UTC] PHP Fatal error: Cannot declare class MB_Relationships_FacetWP, because the name is already in use in .../wp-content/plugins/meta-box-aio/vendor/meta-box/meta-box-facetwp-integrator/class-mb-relationships-facetwp.php on line 0
The file class-mb-relationships-facetwp.php is not available in the last version of Meta Box AIO 1.16.10. It is updated in a new commit but is still not released. How did you have this file on your site? Do you activate a single plugin Meta Box FacetWP Integrator with Meta Box AIO?