If you’re still having an issue with the site rebuilding.
- Audit Official plugins with their topics here as some may have been merged with core.
- Remove any official plugins that have been merged. Trying to install them will prevent rebuild.
If still have a rebuild issue. You can check here to see if a 3rdparty plugin is listed as broken or I unmaintained.
Try commenting out any unofficial plugins. After a successful rebuild uncomment 1 plugin at a time and try a rebuild. When the rebuild fails the last plugin added is one of the plugin(s) that is breaking the site.