Duplicate entry 'flagging:1306' for key 'PRIMARY': INSERT INTO {cachetags}

After updating to beta1 I got this error

Drupal\Core\Database\IntegrityConstraintViolationException: SQLSTATE[23000]: Integrity constraint violation:

1062 Duplicate entry 'flagging:1306' for key 'PRIMARY': INSERT INTO {cachetags} (invalidations, tag) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1); Array ( [:db_insert_placeholder_0] => 1 [:db_insert_placeholder_1] => flagging:1306 ) in Drupal\Core\Database\Connection->handleQueryException() (line 689 of /var/www/html/docroot/core/lib/Drupal/Core/Database/Connection.php).