G30 » Exercises G30

After reaching level 17, the player is unable to select a second challenge, although the game allows to work on two challenges at the same time.

Steps to reproduce:
1. Make progress to level 17 in the game.
2. Try to select a second challenge from the available options.

Expected result:
Players should be able to select a second challenge after reaching level 17

Actual result:
After reaching level 17, the option to select a second challenge disappears, preventing players from getting the full extent of the challenge system.