Version: feywild-1.16.5-1.2
Crash: https://gist.github.com/darkphan/e8d146feaea7cc6ffc20545bdb2a1046

Disabled the quests in the 1.2.1 update.
When we fix the problem another update will be done.

Uploaded 1.2.2 wich fixes the problem completely.
No more crash, and Quest line is available again.