Unable to add Pokemon to my team

[Sensei-Wuuu]

Describe the bug
A clear and concise description of what the bug is.
You cant add all Pokemon to your team even if you click add to team.
To Reproduce
Steps to reproduce the behavior:

1. Go to your Box or Encounter list
2. Click on Add to team
3. See error

Expected behavior
A clear and concise description of what you expected to happen.
I should be able to add any pokemon to my team to the website
Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS] Windows 10
• Browser [e.g. chrome, safari] Chrome
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.