We have now opened a commercial services section here on the forum for registered users. If you have a Fabrik project that you wish to have someone work on for you, post it under Help Wanted. If you are an application developer and wish to earn some money helping others, post your details under Fabrik Application Developers.
Both of these are unmoderated. It will be up to both parties to work out the details and come to an agreement.
For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
We will need a little more information than that to help. Please explain in more detail what it is you are trying to accomplish, and what you have tried so far.
When you register the players choose the team.Can you describe the process of registration that you envision? I understand clubs are a DB join but how to the athletes attach themselves to a particular club for the tournament?
When you register the players choose the team.
My difficulty is like putting a counter so that each team can not be chosen more than 10 times.