src/DataTransferObject/AbstractDataTransferObject.php:38:90: InvalidFalsableReturnType: The declared return type 'DateTimeImmutable|null' for Setono\PeakWMS\DataTransferObject\AbstractDataTransferObject::convertDateTime does not allow false, but 'DateTimeImmutable|false|null' contains false (see https://psalm.dev/143)

src/DataTransferObject/AbstractDataTransferObject.php:47:16: FalsableReturnStatement: The declared return type 'DateTimeImmutable|null' for Setono\PeakWMS\DataTransferObject\AbstractDataTransferObject::convertDateTime does not allow false, but the function returns 'DateTimeImmutable|false' (see https://psalm.dev/137)