[tools] Type error in data_integrity/update_candidate_latest_diagnosis.php

[jeffersoncasimir]

The following error occurs on test-dev-270:

lorisadmin@test-dev-270:/var/www/Loris$ php tools/data_integrity/update_candidate_latest_diagnosis.php
PHP Fatal error:  Uncaught TypeError: ValidatableIdentifier::__construct(): Argument #1 ($value) must be of type string, int given, called in /var/www/Loris/tools/data_integrity/update_candidate_latest_diagnosis.php on line 117 and defined in /var/www/Loris/php/libraries/ValidatableIdentifier.php:58
Stack trace:
#0 /var/www/Loris/tools/data_integrity/update_candidate_latest_diagnosis.php(117): ValidatableIdentifier->__construct()
#1 {main}
  thrown in /var/www/Loris/php/libraries/ValidatableIdentifier.php on line 58