My people are destroyed for lack of knowledge.
Because you have rejected knowledge,
I also will reject you from being priest for Me;
Beause you have forgotten the law of your God,
also I will forget your children. Hosea 4:6 NKJV

The only way to avoid this is to obey the command given in 2 Timothy 2:15.

Study to show yourself approved unto GOD, a workman, unashamed, rightly deviding the word of truth.