Noticed at Fatal Monitor after pushing 1.32.0-wmf.14 to group 1.
[{exception_id}] {exception_url} Wikibase\DataModel\Entity\EntityIdParsingException from line 49 of /srv/mediawiki/php-1.32.0-wmf.14/vendor/wikibase/data-model/src/Entity/DispatchingEntityIdParser.php: $serialization must not be an empty string
I have rolled back group 1 from .14 to .13, but now I see the same error for .13
[{exception_id}] {exception_url} Wikibase\DataModel\Entity\EntityIdParsingException from line 49 of /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model/src/Entity/DispatchingEntityIdParser.php: $serialization must not be an empty string server: www.wikidata.org method: POST url: /w/api.php exception_id: W1iQPQpAMDgAAB7gqzIAAAAD exception.trace: #0 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model/src/Entity/EntityId.php(89): Wikibase\DataModel\Entity\EntityId::assertValidSerialization(string) #1 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model/src/Entity/DispatchingEntityIdParser.php(45): Wikibase\DataModel\Entity\EntityId::splitSerialization(string) #2 /srv/mediawiki/php-1.32.0-wmf.13/extensions/Wikibase/repo/includes/WikibaseRepo.php(1459): Wikibase\DataModel\Entity\DispatchingEntityIdParser->parse(string) #3 /srv/mediawiki/php-1.32.0-wmf.13/vendor/data-values/serialization/src/Deserializers/DataValueDeserializer.php(122): Closure$Wikibase\Repo\WikibaseRepo::getDataValueDeserializer(array) #4 /srv/mediawiki/php-1.32.0-wmf.13/vendor/data-values/serialization/src/Deserializers/DataValueDeserializer.php(91): DataValues\Deserializers\DataValueDeserializer->getDeserialization(array) #5 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model-serialization/src/Deserializers/SnakDeserializer.php(118): DataValues\Deserializers\DataValueDeserializer->deserialize(array) #6 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model-serialization/src/Deserializers/SnakDeserializer.php(108): Wikibase\DataModel\Deserializers\SnakDeserializer->deserializeDataValue(array) #7 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model-serialization/src/Deserializers/SnakDeserializer.php(90): Wikibase\DataModel\Deserializers\SnakDeserializer->newValueSnak(array) #8 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model-serialization/src/Deserializers/SnakDeserializer.php(72): Wikibase\DataModel\Deserializers\SnakDeserializer->getDeserialized(array) #9 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model-serialization/src/Deserializers/StatementDeserializer.php(110): Wikibase\DataModel\Deserializers\SnakDeserializer->deserialize(array) #10 /srv/mediawiki/php-1.32.0-wmf.13/vendor/wikibase/data-model-serialization/src/Deserializers/StatementDeserializer.php(100): Wikibase\DataModel\Deserializers\StatementDeserializer->getDeserialized(array) #11 /srv/mediawiki/php-1.32.0-wmf.13/extensions/Wikibase/repo/includes/Api/SetClaim.php(191): Wikibase\DataModel\Deserializers\StatementDeserializer->deserialize(array) #12 /srv/mediawiki/php-1.32.0-wmf.13/extensions/Wikibase/repo/includes/Api/SetClaim.php(109): Wikibase\Repo\Api\SetClaim->getStatementFromParams(array) #13 /srv/mediawiki/php-1.32.0-wmf.13/includes/api/ApiMain.php(1582): Wikibase\Repo\Api\SetClaim->execute() #14 /srv/mediawiki/php-1.32.0-wmf.13/includes/api/ApiMain.php(535): ApiMain->executeAction() #15 /srv/mediawiki/php-1.32.0-wmf.13/includes/api/ApiMain.php(506): ApiMain->executeActionWithErrorHandling() #16 /srv/mediawiki/php-1.32.0-wmf.13/api.php(83): ApiMain->execute() #17 /srv/mediawiki/w/api.php(3): include(string) #18 {main}