...in: "Birth log saved: <a href=":birth_url">%birth_label</a>". This will throw a PHP error in drupal:11.0.0. See https://www.drupal.org/node/3318826
2x in BirthTest::testBirthLogChildrenSync from Drupal\Tests\farm_birth\Kernel
1x in BirthTest::testUniqueBirthLogConstraint from Drupal\Tests\farm_birth\Kernel