Taskwarrior is supported by volunteers, in these channels.
Your questions have been compiled into a multi-product FAQ. Take a look here - there is a good chance your question is already answered.
There is an active and well-attended #taskwarrior channel on libera.chat.
There is full online documentation to help you diagnose problems, or learn about features and usage. There is a very good chance that you are looking for either our Taskserver Setup Guide or Taskserver Troubleshooting Guide.
Help and manual pages are available at the command-line with the following commands:
man task-color, and
You can ask for help at firstname.lastname@example.org or the User Mailinglist. We request that you first look around at the full online documentation, to give yourself a chance to answer your own question. Remember, there is only a small group of volunteers reading these.
Use our issue tracker on GitHub to see if your problem is reported, fixed, or needs to be reported. Perhaps you have a clarifying example? Perhaps vote on a feature? Insight into a reported problem? Want to request a feature or improvement?
Are you a developer? You might be looking for other tools, continuous integration reports, or beta downloads. Come on over to our workshop at gothenburgbitfactory.org or ask questions at the Developer Mailinglist.
Our source repositories are on Github.