If you overlooked reading the released note in Drupal 8.8.0 you probably bring your site down. Failure to update the pathauto module before updating the core will result in this error message.
Base table or view not found: 1146 Table 'path_alias' doesn't exist: SELECT base_table.id AS id, base_table.path
You finally realize you have to read the release note: https://www.drupal.org/project/drupal/releases/8.8.0
To restore your down site to working state these steps might help you out, backup is the key!
1. Download the latest version of pathauto module here: https://www.drupal.org/project/pathauto
2. Override the old one with the latest version of pathauto module.
3. Restore your latest backup database (Hope you create a backup of your database before you upgrade the core)
4. Visit the site again and review it.