Donor relation try to dedupe contacts, when pulling query with such parameters:
Individual (general) Address and name (general)
first 80000 matches
Primary address state province ID = Massachusetts
deduper interface not working.

then we get some failmails as
Deduping contact range: 67373448 to 67373453 {"start":"67373448","end":"67373453"}
TypeError: CRM_Deduper_BAO_MergeHandler::setResolvedLocationValue(): Argument #4 ($value) must be of type string, null given, called in /srv/org.wikimedia.civicrm/drupal/sites/default/civicrm/extensions/deduper/CRM/Deduper/BAO/Resolver.php on line 78 in CRM_Deduper_BAO_MergeHandler->setResolvedLocationValue() (line 574 of /srv/org.wikimedia.civicrm/drupal/sites/default/civicrm/extensions/deduper/CRM/Deduper/BAO/MergeHandler.php).
2025-02-13 19:00:04,566 ERROR WD php: TypeError: [error]
2025-02-13 19:00:04,567 ERROR CRM_Deduper_BAO_MergeHandler::setResolvedLocationValue(): Argument #4
2025-02-13 19:00:04,567 ERROR ($value) must be of type string, null given, called in
2025-02-13 19:00:04,567 ERROR /srv/org.wikimedia.civicrm/drupal/sites/default/civicrm/extensions/deduper/CRM/Deduper/BAO/Resolver.php
2025-02-13 19:00:04,567 ERROR on line 78 in
2025-02-13 19:00:04,567 ERROR CRM_Deduper_BAO_MergeHandler->setResolvedLocationValue() (line 574 of
2025-02-13 19:00:04,567 ERROR /srv/org.wikimedia.civicrm/drupal/sites/default/civicrm/extensions/deduper/CRM/Deduper/BAO/MergeHandler.php).
2025-02-13 19:00:04,567 ERROR Drush command terminated abnormally due to an unrecoverable error. [error]
2025-02-13 19:00:04,587 INFO ----------- end command output