Get Testers like mobilegamer and others to test the events before they are put out ,CG you dont have the time or resources to make content, test and release you need help and theres people in communit...
You will never get all issues in a mobile game especially in case of new content. There is way more than just dev and test. You also get normally too early release date from management. It is like
A woman gets a child in 9 month. 9 women gets a child in 1 month.