Check whether the package you want to install is available from configured publishers and can be installed in this image.
Going forward, this will be one of the best ways to guarantee your site stays up to date and secure and, as such, disabling these updates is strongly discouraged.
At Xero we are always looking for ways to use technology to make life easier and more efficient for our customers and for our own systems.
This is why we’re starting to transition to a new billing system which will mean more payment options and flexibility for our customers in the future. From the 1st of July 2017, we’ll be asking for one month’s notice if you want to cancel a subscription to Xero.
See Incorporation Packages for more information about packages constrained by incorporation packages.
You cannot directly install or update a package that is constrained by the command to view more information about the publisher, such as key, certificate, and proxy.