https://www.drupal.org/node/2861220
7300 add the whitelist field: null value not allowed [#2861220] | Drupal.org
Apr 7, 2017 - When upgrading to Aegir 3.10: "Hosting_http_basic_auth 7300 Add the whitelist field to the table. SQLSTATE[22004]: Null value not allowed: 1138 Invalid use of...
the whitelist