Awaiting feedback: Quest dos'nt finish


World: Standart
Browser/IOS/Android + version: Google newest version
Operating System:apple
Screen resolution:
Account name:

Reproducibility: ?/5 (1/5 = happened once; 2/5 = happens randomly; 3/5 = happens sometimes; 4/5 = happens often, but not always; 5/5 = happens always)

Current situation: the Quest to finish the stable shoud be finished, when the stable ist build.
but the quest dosnt finish, there ist no possibility, to recieve the reward of 10 Scouts
- What is happening? describe it. see in the over lines

Expected situation:
- What should be happening? normaly the qust ist finished, the icon disapea and i get the reward

Reproduction Steps:
1. build the stable at level 1
2.klick to finish the quest
3. get the reward

Add more steps if needed. Include only ONE action for each step!

Screenshots of the bug: the system dont accept my screenshots, please give me another way to send it
(add as many screenshots as you need)