The sulu/sulu package of which you are a maintainer has
failed to update due to invalid data contained in your composer.json.
Please address this as soon as possible since the package stopped updating.

It is recommended that you use composer validate to check for errors when you
change your composer.json.

Below is the update log which should highlight errors as
"Skipped branch ...":

[Composer\Repository\InvalidRepositoryException]: Some branches contained invalid data and were discarded, it is advised to review the log and fix any issues present in branches

Skipped branch 2.6, Invalid package information:
conflict.doctrine/doctrine-bundle : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.doctrine/orm : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.gedmo/doctrine-extensions : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.jms/serializer-bundle : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.oro/doctrine-extensions : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.symfony/doctrine-bridge : you should not conflict with a package that is also required, update the constraint in the required package instead

Skipped branch 2.5, Invalid package information:
conflict.doctrine/doctrine-bundle : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.doctrine/orm : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.gedmo/doctrine-extensions : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.jms/serializer-bundle : you should not conflict with a package that is also required, update the constraint in the required package instead

Skipped branch 3.0, Invalid package information:
conflict.doctrine/doctrine-bundle : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.doctrine/orm : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.jms/serializer-bundle : you should not conflict with a package that is also required, update the constraint in the required package instead
conflict.oro/doctrine-extensions : you should not conflict with a package that is also required, update the constraint in the required package instead

Updated from https://github.com/sulu/sulu using Composer\Repository\Vcs\GitHubDriver

https://packagist.org/packages/sulu/sulu