Correct Drupal error in user registration

The goal is to fix the error in Drupal user registration. Error: Drupal\Core\Entity\EntityStorageException: SQLSTATE[HY000]: General error: 1366 Incorrect integer value: 'tx' for column 'USERID' at row 1: INSERT INTO {user__field_muniaddr1} (entity_id, revision_id, bundle, delta, langcode, field_muniaddr1_value) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5); Array ( [:db_insert_placeholder_0] => 605 [:db_insert_placeholder_1] => 605 [:db_insert_placeholder_2] => user [:db_insert_placeholder_3] => 0 [:db_insert_placeholder_4] => en [:db_insert_placeholder_5] => 123 test ) in Drupal\Core\Entity\Sql\SqlContentEntityStorage->save() (line 846 of core/lib/Drupal/Core/Entity/Sql/[login to view URL]). Steps to reproduce: 1) go to site 2) select login 3) select create new account 4) fill in all fields that are mandatory (have an asterisk in red) 5) Submit Error above occurs. Please note that freelancer must work weekends and be able to start upon award and finish within 1 day of award. The freelancer must understand Drupal 8 and PHP with MySQL.